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Vulnerability Details : CVE-2008-3443

The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
Publish Date : 2008-08-14 Last Update Date : 2018-10-03
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2008-08-15 2008-08-14
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2008-3443 oval:org.opensuse.security:def:20083443 unix
DSA-1695 ruby1.8, ruby1.9 -- memory leak oval:org.mitre.oval:def:7525 unix
DSA-1695-1 ruby1.8, ruby1.9 -- memory leak oval:org.mitre.oval:def:13642 unix
ELSA-2008:0897: ruby security update (Moderate) oval:org.mitre.oval:def:21785 unix
RHSA-2008:0896: ruby security update (Moderate) oval:com.redhat.rhsa:def:20080896 unix
RHSA-2008:0897 -- ruby security update (Moderate) oval:org.mitre.oval:def:28242 unix
RHSA-2008:0897: ruby security update (Moderate) oval:com.redhat.rhsa:def:20080897 unix
The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, an... oval:org.mitre.oval:def:9570 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-2008-3443

# Product Type Vendor Product Version Update Edition Language
1 Application Ruby-lang Ruby 1.6.8 Version Details Vulnerabilities
2 Application Ruby-lang Ruby 1.8.0 Version Details Vulnerabilities
3 Application Ruby-lang Ruby 1.8.1 Version Details Vulnerabilities
4 Application Ruby-lang Ruby 1.8.1 -9 Version Details Vulnerabilities
5 Application Ruby-lang Ruby 1.8.2 Version Details Vulnerabilities
6 Application Ruby-lang Ruby 1.8.2 Preview2 Version Details Vulnerabilities
7 Application Ruby-lang Ruby 1.8.2 Preview3 Version Details Vulnerabilities
8 Application Ruby-lang Ruby 1.8.2 Preview4 Version Details Vulnerabilities
9 Application Ruby-lang Ruby 1.8.3 Version Details Vulnerabilities
10 Application Ruby-lang Ruby 1.8.3 Preview1 Version Details Vulnerabilities
11 Application Ruby-lang Ruby 1.8.3 Preview2 Version Details Vulnerabilities
12 Application Ruby-lang Ruby 1.8.3 Preview3 Version Details Vulnerabilities
13 Application Ruby-lang Ruby 1.8.4 Preview1 Version Details Vulnerabilities
14 Application Ruby-lang Ruby 1.8.4 Preview2 Version Details Vulnerabilities
15 Application Ruby-lang Ruby 1.8.4 Preview3 Version Details Vulnerabilities
16 Application Ruby-lang Ruby 1.8.4 Version Details Vulnerabilities
17 Application Ruby-lang Ruby 1.8.5 P113 Version Details Vulnerabilities
18 Application Ruby-lang Ruby 1.8.5 Preview4 Version Details Vulnerabilities
19 Application Ruby-lang Ruby 1.8.5 P35 Version Details Vulnerabilities
20 Application Ruby-lang Ruby 1.8.5 P114 Version Details Vulnerabilities
21 Application Ruby-lang Ruby 1.8.5 Preview5 Version Details Vulnerabilities
22 Application Ruby-lang Ruby 1.8.5 P52 Version Details Vulnerabilities
23 Application Ruby-lang Ruby 1.8.5 P115 Version Details Vulnerabilities
24 Application Ruby-lang Ruby 1.8.5 Preview1 Version Details Vulnerabilities
25 Application Ruby-lang Ruby 1.8.5 P12 Version Details Vulnerabilities
26 Application Ruby-lang Ruby 1.8.5 Preview2 Version Details Vulnerabilities
27 Application Ruby-lang Ruby 1.8.5 Version Details Vulnerabilities
28 Application Ruby-lang Ruby 1.8.5 P2 Version Details Vulnerabilities
29 Application Ruby-lang Ruby 1.8.5 Preview3 Version Details Vulnerabilities
30 Application Ruby-lang Ruby 1.8.5 P11 Version Details Vulnerabilities
31 Application Ruby-lang Ruby 1.8.5 P231 Version Details Vulnerabilities
32 Application Ruby-lang Ruby 1.8.6 Preview3 Version Details Vulnerabilities
33 Application Ruby-lang Ruby 1.8.6 P230 Version Details Vulnerabilities
34 Application Ruby-lang Ruby 1.8.6 P286 Version Details Vulnerabilities
35 Application Ruby-lang Ruby 1.8.6 Version Details Vulnerabilities
36 Application Ruby-lang Ruby 1.8.6 P36 Version Details Vulnerabilities
37 Application Ruby-lang Ruby 1.8.6 P110 Version Details Vulnerabilities
38 Application Ruby-lang Ruby 1.8.6 Preview1 Version Details Vulnerabilities
39 Application Ruby-lang Ruby 1.8.6 P111 Version Details Vulnerabilities
40 Application Ruby-lang Ruby 1.8.6 Preview2 Version Details Vulnerabilities
41 Application Ruby-lang Ruby 1.8.6 P114 Version Details Vulnerabilities
42 Application Ruby-lang Ruby 1.8.7 Preview1 Version Details Vulnerabilities
43 Application Ruby-lang Ruby 1.8.7 Preview2 Version Details Vulnerabilities
44 Application Ruby-lang Ruby 1.8.7 Version Details Vulnerabilities
45 Application Ruby-lang Ruby 1.8.7 Preview3 Version Details Vulnerabilities
46 Application Ruby-lang Ruby 1.8.7 P17 Version Details Vulnerabilities
47 Application Ruby-lang Ruby 1.8.7 Preview4 Version Details Vulnerabilities
48 Application Ruby-lang Ruby 1.8.7 P22 Version Details Vulnerabilities
49 Application Ruby-lang Ruby 1.8.7 P71 Version Details Vulnerabilities
50 Application Ruby-lang Ruby 1.9.0 Version Details Vulnerabilities
51 Application Ruby-lang Ruby 1.9.0 R18423 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 51

- References For CVE-2008-3443

https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
FEDORA FEDORA-2008-8736
https://www.exploit-db.com/exploits/6239
EXPLOIT-DB 6239
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
FEDORA FEDORA-2008-8738
https://usn.ubuntu.com/691-1/
UBUNTU USN-691-1
https://usn.ubuntu.com/651-1/
UBUNTU USN-651-1
http://www.vupen.com/english/advisories/2009/1297
VUPEN ADV-2009-1297
https://exchange.xforce.ibmcloud.com/vulnerabilities/44688
XF ruby-regex-dos(44688)
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
CERT TA09-133A
http://www.securitytracker.com/id?1021075
SECTRACK 1021075
http://www.securityfocus.com/bid/30682
BID 30682 Ruby 'regex.c' Remote Denial Of Service Vulnerability Release Date:2009-05-13
http://www.redhat.com/support/errata/RHSA-2008-0897.html
REDHAT RHSA-2008:0897
http://www.redhat.com/support/errata/RHSA-2008-0895.html
REDHAT RHSA-2008:0895
http://www.debian.org/security/2009/dsa-1695
DEBIAN DSA-1695
http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm CONFIRM
http://support.apple.com/kb/HT3549 CONFIRM
http://securityreason.com/securityalert/4158
SREASON 4158
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
APPLE APPLE-SA-2009-05-12

- Metasploit Modules Related To CVE-2008-3443

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


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