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Vulnerability Details : CVE-2011-1487

The (1) lc, (2) lcfirst, (3) uc, and (4) ucfirst functions in Perl 5.10.x, 5.11.x, and 5.12.x through 5.12.3, and 5.13.x through 5.13.11, do not apply the taint attribute to the return value upon processing tainted input, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.
Publish Date : 2011-04-11 Last Update Date : 2017-08-16
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
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 None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
AV:N/AC:H/Au:N/C:N/I:P/A:N 2011-04-01 2011-03-30
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1487 unix
DEPRECATED: ELSA-2011-0558 -- perl security and bug fix update (moderate) oval:org.mitre.oval:def:27690 unix
DSA-2265-1 perl -- lack of tainted flag propagation oval:org.mitre.oval:def:13047 unix
ELSA-2011:0558: perl security and bug fix update (Moderate) oval:org.mitre.oval:def:23460 unix
RHSA-2011:0558: perl security and bug fix update (Moderate) oval:org.mitre.oval:def:21868 unix
RHSA-2011:0558: perl security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20110558 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-2011-1487

# Product Type Vendor Product Version Update Edition Language
1 Application Perl Perl 5.10.0 RC2 Version Details Vulnerabilities
2 Application Perl Perl 5.10.0 Version Details Vulnerabilities
3 Application Perl Perl 5.10.0 RC1 Version Details Vulnerabilities
4 Application Perl Perl 5.10.1 Version Details Vulnerabilities
5 Application Perl Perl 5.10.1 RC1 Version Details Vulnerabilities
6 Application Perl Perl 5.10.1 RC2 Version Details Vulnerabilities
7 Application Perl Perl 5.11.0 Version Details Vulnerabilities
8 Application Perl Perl 5.11.1 Version Details Vulnerabilities
9 Application Perl Perl 5.11.2 Version Details Vulnerabilities
10 Application Perl Perl 5.11.3 Version Details Vulnerabilities
11 Application Perl Perl 5.11.4 Version Details Vulnerabilities
12 Application Perl Perl 5.11.5 Version Details Vulnerabilities
13 Application Perl Perl 5.12.0 RC0 Version Details Vulnerabilities
14 Application Perl Perl 5.12.0 RC4 Version Details Vulnerabilities
15 Application Perl Perl 5.12.0 RC1 Version Details Vulnerabilities
16 Application Perl Perl 5.12.0 RC2 Version Details Vulnerabilities
17 Application Perl Perl 5.12.0 RC3 Version Details Vulnerabilities
18 Application Perl Perl 5.12.0 RC5 Version Details Vulnerabilities
19 Application Perl Perl 5.12.0 Version Details Vulnerabilities
20 Application Perl Perl 5.12.1 Version Details Vulnerabilities
21 Application Perl Perl 5.12.1 RC1 Version Details Vulnerabilities
22 Application Perl Perl 5.12.1 RC2 Version Details Vulnerabilities
23 Application Perl Perl 5.12.2 RC1 Version Details Vulnerabilities
24 Application Perl Perl 5.12.2 Version Details Vulnerabilities
25 Application Perl Perl 5.12.3 RC3 Version Details Vulnerabilities
26 Application Perl Perl 5.12.3 Version Details Vulnerabilities
27 Application Perl Perl 5.12.3 RC1 Version Details Vulnerabilities
28 Application Perl Perl 5.12.3 RC2 Version Details Vulnerabilities
29 Application Perl Perl 5.13.0 Version Details Vulnerabilities
30 Application Perl Perl 5.13.1 Version Details Vulnerabilities
31 Application Perl Perl 5.13.2 Version Details Vulnerabilities
32 Application Perl Perl 5.13.3 Version Details Vulnerabilities
33 Application Perl Perl 5.13.4 Version Details Vulnerabilities
34 Application Perl Perl 5.13.5 Version Details Vulnerabilities
35 Application Perl Perl 5.13.6 Version Details Vulnerabilities
36 Application Perl Perl 5.13.7 Version Details Vulnerabilities
37 Application Perl Perl 5.13.8 Version Details Vulnerabilities
38 Application Perl Perl 5.13.9 Version Details Vulnerabilities
39 Application Perl Perl 5.13.10 Version Details Vulnerabilities
40 Application Perl Perl 5.13.11 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Perl Perl 40

- References For CVE-2011-1487 CONFIRM
XF perl-laundering-security-bypass(66528)
MLIST [oss-security] 20110401 CVE Request -- perl -- lc(), uc() routines are laundering tainted data
BID 47124 Perl 'lc()' and 'uc()' Functions TAINT Mode Protection Security Bypass Weakness Release Date:2013-12-10 CONFIRM
MLIST [oss-security] 20110404 Re: CVE Request -- perl -- lc(), uc() routines are laundering tainted data CONFIRM
SUSE SUSE-SR:2011:009

- Metasploit Modules Related To CVE-2011-1487

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

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