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Vulnerability Details : CVE-2011-2939

Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.
Publish Date : 2012-01-13 Last Update Date : 2018-08-13
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- CVSS Scores & Vulnerability Types

CVSS Score
5.1
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruption
CWE ID 189

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P 2011-08-17 2011-08-09
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2939 oval:org.opensuse.security:def:20112939 unix
DEPRECATED: ELSA-2011-1424 -- perl security update (moderate) oval:org.mitre.oval:def:27753 unix
ELSA-2011:1424: perl security update (Moderate) oval:org.mitre.oval:def:23778 unix
RHSA-2011:1424: perl security update (Moderate) oval:org.mitre.oval:def:22078 unix
RHSA-2011:1424: perl security update (Moderate) oval:com.redhat.rhsa:def:20111424 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-2939

# Product Type Vendor Product Version Update Edition Language
1 Application Dan Kogai Encode Module 0.93 Version Details Vulnerabilities
2 Application Dan Kogai Encode Module 0.94 Version Details Vulnerabilities
3 Application Dan Kogai Encode Module 0.95 Version Details Vulnerabilities
4 Application Dan Kogai Encode Module 0.96 Version Details Vulnerabilities
5 Application Dan Kogai Encode Module 0.97 Version Details Vulnerabilities
6 Application Dan Kogai Encode Module 0.98 Version Details Vulnerabilities
7 Application Dan Kogai Encode Module 0.99 Version Details Vulnerabilities
8 Application Dan Kogai Encode Module 1.00 Version Details Vulnerabilities
9 Application Dan Kogai Encode Module 1.01 Version Details Vulnerabilities
10 Application Dan Kogai Encode Module 1.10 Version Details Vulnerabilities
11 Application Dan Kogai Encode Module 1.11 Version Details Vulnerabilities
12 Application Dan Kogai Encode Module 1.20 Version Details Vulnerabilities
13 Application Dan Kogai Encode Module 1.21 Version Details Vulnerabilities
14 Application Dan Kogai Encode Module 1.25 Version Details Vulnerabilities
15 Application Dan Kogai Encode Module 1.26 Version Details Vulnerabilities
16 Application Dan Kogai Encode Module 1.28 Version Details Vulnerabilities
17 Application Dan Kogai Encode Module 1.30 Version Details Vulnerabilities
18 Application Dan Kogai Encode Module 1.31 Version Details Vulnerabilities
19 Application Dan Kogai Encode Module 1.32 Version Details Vulnerabilities
20 Application Dan Kogai Encode Module 1.33 Version Details Vulnerabilities
21 Application Dan Kogai Encode Module 1.34 Version Details Vulnerabilities
22 Application Dan Kogai Encode Module 1.40 Version Details Vulnerabilities
23 Application Dan Kogai Encode Module 1.41 Version Details Vulnerabilities
24 Application Dan Kogai Encode Module 1.42 Version Details Vulnerabilities
25 Application Dan Kogai Encode Module 1.50 Version Details Vulnerabilities
26 Application Dan Kogai Encode Module 1.51 Version Details Vulnerabilities
27 Application Dan Kogai Encode Module 1.52 Version Details Vulnerabilities
28 Application Dan Kogai Encode Module 1.53 Version Details Vulnerabilities
29 Application Dan Kogai Encode Module 1.54 Version Details Vulnerabilities
30 Application Dan Kogai Encode Module 1.55 Version Details Vulnerabilities
31 Application Dan Kogai Encode Module 1.56 Version Details Vulnerabilities
32 Application Dan Kogai Encode Module 1.57 Version Details Vulnerabilities
33 Application Dan Kogai Encode Module 1.58 Version Details Vulnerabilities
34 Application Dan Kogai Encode Module 1.59 Version Details Vulnerabilities
35 Application Dan Kogai Encode Module 1.60 Version Details Vulnerabilities
36 Application Dan Kogai Encode Module 1.61 Version Details Vulnerabilities
37 Application Dan Kogai Encode Module 1.62 Version Details Vulnerabilities
38 Application Dan Kogai Encode Module 1.63 Version Details Vulnerabilities
39 Application Dan Kogai Encode Module 1.64 Version Details Vulnerabilities
40 Application Dan Kogai Encode Module 1.65 Version Details Vulnerabilities
41 Application Dan Kogai Encode Module 1.66 Version Details Vulnerabilities
42 Application Dan Kogai Encode Module 1.67 Version Details Vulnerabilities
43 Application Dan Kogai Encode Module 1.68 Version Details Vulnerabilities
44 Application Dan Kogai Encode Module 1.69 Version Details Vulnerabilities
45 Application Dan Kogai Encode Module 1.70 Version Details Vulnerabilities
46 Application Dan Kogai Encode Module 1.71 Version Details Vulnerabilities
47 Application Dan Kogai Encode Module 1.72 Version Details Vulnerabilities
48 Application Dan Kogai Encode Module 1.73 Version Details Vulnerabilities
49 Application Dan Kogai Encode Module 1.74 Version Details Vulnerabilities
50 Application Dan Kogai Encode Module 1.75 Version Details Vulnerabilities
51 Application Dan Kogai Encode Module 1.76 Version Details Vulnerabilities
52 Application Dan Kogai Encode Module 1.77 Version Details Vulnerabilities
53 Application Dan Kogai Encode Module 1.78 Version Details Vulnerabilities
54 Application Dan Kogai Encode Module 1.79 Version Details Vulnerabilities
55 Application Dan Kogai Encode Module 1.80 Version Details Vulnerabilities
56 Application Dan Kogai Encode Module 1.81 Version Details Vulnerabilities
57 Application Dan Kogai Encode Module 1.82 Version Details Vulnerabilities
58 Application Dan Kogai Encode Module 1.83 Version Details Vulnerabilities
59 Application Dan Kogai Encode Module 1.84 Version Details Vulnerabilities
60 Application Dan Kogai Encode Module 1.85 Version Details Vulnerabilities
61 Application Dan Kogai Encode Module 1.86 Version Details Vulnerabilities
62 Application Dan Kogai Encode Module 1.87 Version Details Vulnerabilities
63 Application Dan Kogai Encode Module 1.88 Version Details Vulnerabilities
64 Application Dan Kogai Encode Module 1.89 Version Details Vulnerabilities
65 Application Dan Kogai Encode Module 1.90 Version Details Vulnerabilities
66 Application Dan Kogai Encode Module 1.91 Version Details Vulnerabilities
67 Application Dan Kogai Encode Module 1.92 Version Details Vulnerabilities
68 Application Dan Kogai Encode Module 1.93 Version Details Vulnerabilities
69 Application Dan Kogai Encode Module 1.94 Version Details Vulnerabilities
70 Application Dan Kogai Encode Module 1.95 Version Details Vulnerabilities
71 Application Dan Kogai Encode Module 1.96 Version Details Vulnerabilities
72 Application Dan Kogai Encode Module 1.97 Version Details Vulnerabilities
73 Application Dan Kogai Encode Module 1.98 Version Details Vulnerabilities
74 Application Dan Kogai Encode Module 1.99 Version Details Vulnerabilities
75 Application Dan Kogai Encode Module 2.0 Version Details Vulnerabilities
76 Application Dan Kogai Encode Module 2.01 Version Details Vulnerabilities
77 Application Dan Kogai Encode Module 2.02 Version Details Vulnerabilities
78 Application Dan Kogai Encode Module 2.03 Version Details Vulnerabilities
79 Application Dan Kogai Encode Module 2.04 Version Details Vulnerabilities
80 Application Dan Kogai Encode Module 2.05 Version Details Vulnerabilities
81 Application Dan Kogai Encode Module 2.06 Version Details Vulnerabilities
82 Application Dan Kogai Encode Module 2.07 Version Details Vulnerabilities
83 Application Dan Kogai Encode Module 2.08 Version Details Vulnerabilities
84 Application Dan Kogai Encode Module 2.09 Version Details Vulnerabilities
85 Application Dan Kogai Encode Module 2.10 Version Details Vulnerabilities
86 Application Dan Kogai Encode Module 2.11 Version Details Vulnerabilities
87 Application Dan Kogai Encode Module 2.12 Version Details Vulnerabilities
88 Application Dan Kogai Encode Module 2.13 Version Details Vulnerabilities
89 Application Dan Kogai Encode Module 2.14 Version Details Vulnerabilities
90 Application Dan Kogai Encode Module 2.15 Version Details Vulnerabilities
91 Application Dan Kogai Encode Module 2.16 Version Details Vulnerabilities
92 Application Dan Kogai Encode Module 2.17 Version Details Vulnerabilities
93 Application Dan Kogai Encode Module 2.18 Version Details Vulnerabilities
94 Application Dan Kogai Encode Module 2.19 Version Details Vulnerabilities
95 Application Dan Kogai Encode Module 2.20 Version Details Vulnerabilities
96 Application Dan Kogai Encode Module 2.21 Version Details Vulnerabilities
97 Application Dan Kogai Encode Module 2.22 Version Details Vulnerabilities
98 Application Dan Kogai Encode Module 2.23 Version Details Vulnerabilities
99 Application Dan Kogai Encode Module 2.24 Version Details Vulnerabilities
100 Application Dan Kogai Encode Module 2.25 Version Details Vulnerabilities
101 Application Dan Kogai Encode Module 2.26 Version Details Vulnerabilities
102 Application Dan Kogai Encode Module 2.27 Version Details Vulnerabilities
103 Application Dan Kogai Encode Module 2.28 Version Details Vulnerabilities
104 Application Dan Kogai Encode Module 2.29 Version Details Vulnerabilities
105 Application Dan Kogai Encode Module 2.30 Version Details Vulnerabilities
106 Application Dan Kogai Encode Module 2.31 Version Details Vulnerabilities
107 Application Dan Kogai Encode Module 2.32 Version Details Vulnerabilities
108 Application Dan Kogai Encode Module 2.33 Version Details Vulnerabilities
109 Application Dan Kogai Encode Module 2.34 Version Details Vulnerabilities
110 Application Dan Kogai Encode Module 2.35 Version Details Vulnerabilities
111 Application Dan Kogai Encode Module 2.36 Version Details Vulnerabilities
112 Application Dan Kogai Encode Module 2.37 Version Details Vulnerabilities
113 Application Dan Kogai Encode Module 2.38 Version Details Vulnerabilities
114 Application Dan Kogai Encode Module 2.39 Version Details Vulnerabilities
115 Application Dan Kogai Encode Module 2.40 Version Details Vulnerabilities
116 Application Dan Kogai Encode Module 2.41 Version Details Vulnerabilities
117 Application Dan Kogai Encode Module 2.42 Version Details Vulnerabilities
118 Application Dan Kogai Encode Module 2.43 Version Details Vulnerabilities
119 Application Perl Perl 5.8.1 Version Details Vulnerabilities
120 Application Perl Perl 5.8.2 Version Details Vulnerabilities
121 Application Perl Perl 5.8.3 Version Details Vulnerabilities
122 Application Perl Perl 5.8.4 Version Details Vulnerabilities
123 Application Perl Perl 5.8.5 Version Details Vulnerabilities
124 Application Perl Perl 5.8.6 Version Details Vulnerabilities
125 Application Perl Perl 5.8.7 Version Details Vulnerabilities
126 Application Perl Perl 5.8.8 Version Details Vulnerabilities
127 Application Perl Perl 5.8.9 Version Details Vulnerabilities
128 Application Perl Perl 5.8.10 Version Details Vulnerabilities
129 Application Perl Perl 5.9.2 Version Details Vulnerabilities
130 Application Perl Perl 5.10 Version Details Vulnerabilities
131 Application Perl Perl 5.10.0 Version Details Vulnerabilities
132 Application Perl Perl 5.10.0 RC1 Version Details Vulnerabilities
133 Application Perl Perl 5.10.0 RC2 Version Details Vulnerabilities
134 Application Perl Perl 5.10.1 Version Details Vulnerabilities
135 Application Perl Perl 5.10.1 RC1 Version Details Vulnerabilities
136 Application Perl Perl 5.10.1 RC2 Version Details Vulnerabilities
137 Application Perl Perl 5.11.0 Version Details Vulnerabilities
138 Application Perl Perl 5.11.1 Version Details Vulnerabilities
139 Application Perl Perl 5.11.2 Version Details Vulnerabilities
140 Application Perl Perl 5.11.3 Version Details Vulnerabilities
141 Application Perl Perl 5.11.4 Version Details Vulnerabilities
142 Application Perl Perl 5.11.5 Version Details Vulnerabilities
143 Application Perl Perl 5.12.0 RC1 Version Details Vulnerabilities
144 Application Perl Perl 5.12.0 RC2 Version Details Vulnerabilities
145 Application Perl Perl 5.12.0 RC3 Version Details Vulnerabilities
146 Application Perl Perl 5.12.0 RC4 Version Details Vulnerabilities
147 Application Perl Perl 5.12.0 Version Details Vulnerabilities
148 Application Perl Perl 5.12.0 RC5 Version Details Vulnerabilities
149 Application Perl Perl 5.12.0 RC0 Version Details Vulnerabilities
150 Application Perl Perl 5.12.1 RC1 Version Details Vulnerabilities
151 Application Perl Perl 5.12.1 RC2 Version Details Vulnerabilities
152 Application Perl Perl 5.12.1 Version Details Vulnerabilities
153 Application Perl Perl 5.12.2 Version Details Vulnerabilities
154 Application Perl Perl 5.12.2 RC1 Version Details Vulnerabilities
155 Application Perl Perl 5.12.3 RC1 Version Details Vulnerabilities
156 Application Perl Perl 5.12.3 RC2 Version Details Vulnerabilities
157 Application Perl Perl 5.12.3 RC3 Version Details Vulnerabilities
158 Application Perl Perl 5.12.3 Version Details Vulnerabilities
159 Application Perl Perl 5.13.0 Version Details Vulnerabilities
160 Application Perl Perl 5.13.1 Version Details Vulnerabilities
161 Application Perl Perl 5.13.2 Version Details Vulnerabilities
162 Application Perl Perl 5.13.3 Version Details Vulnerabilities
163 Application Perl Perl 5.13.4 Version Details Vulnerabilities
164 Application Perl Perl 5.13.5 Version Details Vulnerabilities
165 Application Perl Perl 5.13.6 Version Details Vulnerabilities
166 Application Perl Perl 5.13.7 Version Details Vulnerabilities
167 Application Perl Perl 5.13.8 Version Details Vulnerabilities
168 Application Perl Perl 5.13.9 Version Details Vulnerabilities
169 Application Perl Perl 5.13.10 Version Details Vulnerabilities
170 Application Perl Perl 5.13.11 Version Details Vulnerabilities
171 Application Perl Perl 5.14.0 RC1 Version Details Vulnerabilities
172 Application Perl Perl 5.14.0 RC2 Version Details Vulnerabilities
173 Application Perl Perl 5.14.0 RC3 Version Details Vulnerabilities
174 Application Perl Perl 5.14.0 Version Details Vulnerabilities
175 Application Perl Perl 5.14.1 Version Details Vulnerabilities
176 Application Perl Perl 5.14.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Dan Kogai Encode Module 118
Perl Perl 58

- References For CVE-2011-2939

http://www.securityfocus.com/bid/49858
BID 49858 Perl 'decode_xs()' and 'File::Glob::bsd_glob()' Remote Code Execution Vulnerabilities Release Date:2014-01-20
http://www.ubuntu.com/usn/USN-1643-1
UBUNTU USN-1643-1
https://bugzilla.redhat.com/show_bug.cgi?id=731246 CONFIRM
http://www.redhat.com/support/errata/RHSA-2011-1424.html
REDHAT RHSA-2011:1424
http://www.openwall.com/lists/oss-security/2011/08/19/17
MLIST [oss-security] 20110819 Re: CVE request: heap overflow in perl while decoding Unicode string
http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5 CONFIRM
http://www.mandriva.com/security/advisories?name=MDVSA-2012:008
MANDRIVA MDVSA-2012:008
http://www.openwall.com/lists/oss-security/2011/08/18/8
MLIST [oss-security] 20110818 CVE request: heap overflow in perl while decoding Unicode string
http://search.cpan.org/~flora/perl-5.14.2/pod/perldelta.pod#Encode_decode_xs_n-byte_heap-overflow_(CVE-2011-2939) CONFIRM
http://cpansearch.perl.org/src/FLORA/perl-5.14.2/pod/perldelta.pod CONFIRM

- Metasploit Modules Related To CVE-2011-2939

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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