Vulnerability CVE-2007-5135
Published: 2007-09-27   Modified: 2012-02-12

Description:
Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible.

See advisories in our WLB2 database:
Topic
Author
Date
High
OpenSSL SSL_get_shared_ciphers() off-by-one buffer overflow
Moritz Jodeit
30.09.2007

Type:

CWE-189

 (Numeric Errors)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Openssl -> Openssl 

 References:
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc
http://lists.apple.com/archives/security-announce//2008/Jul/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00001.html
http://lists.vmware.com/pipermail/security-announce/2008/000002.html
http://security.freebsd.org/advisories/FreeBSD-SA-07:08.openssl.asc
http://security.gentoo.org/glsa/glsa-200710-06.xml
http://securityreason.com/securityalert/3179
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103130-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200858-1
http://support.avaya.com/elmodocs2/security/ASA-2007-485.htm
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0241
http://www.debian.org/security/2007/dsa-1379
http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2007:193
http://www.novell.com/linux/security/advisories/2007_20_sr.html
http://www.openbsd.org/errata40.html
http://www.openbsd.org/errata41.html
http://www.openbsd.org/errata42.html
http://www.openssl.org/news/secadv_20071012.txt
http://www.redhat.com/support/errata/RHSA-2007-0813.html
http://www.redhat.com/support/errata/RHSA-2007-0964.html
http://www.redhat.com/support/errata/RHSA-2007-1003.html
http://www.securityfocus.com/archive/1/480855/100/0/threaded
http://www.securityfocus.com/archive/1/481217/100/0/threaded
http://www.securityfocus.com/archive/1/481488/100/0/threaded
http://www.securityfocus.com/archive/1/481506/100/0/threaded
http://www.securityfocus.com/archive/1/484353/100/0/threaded
http://www.securityfocus.com/archive/1/485936/100/0/threaded
http://www.securityfocus.com/archive/1/486859/100/0/threaded
http://www.securityfocus.com/bid/25831
http://www.securitytracker.com/id?1018755
http://www.vmware.com/security/advisories/VMSA-2008-0001.html
http://www.vmware.com/security/advisories/VMSA-2008-0013.html
http://www.vupen.com/english/advisories/2007/3325
http://www.vupen.com/english/advisories/2007/3625
http://www.vupen.com/english/advisories/2007/4042
http://www.vupen.com/english/advisories/2007/4144
http://www.vupen.com/english/advisories/2008/0064
http://www.vupen.com/english/advisories/2008/2268
http://www.vupen.com/english/advisories/2008/2361
http://www.vupen.com/english/advisories/2008/2362
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=4037
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=4038
https://bugs.gentoo.org/show_bug.cgi?id=194039
https://exchange.xforce.ibmcloud.com/vulnerabilities/36837
https://issues.rpath.com/browse/RPL-1769
https://issues.rpath.com/browse/RPL-1770
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10904
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5337
https://usn.ubuntu.com/522-1/
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00218.html
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