Vulnerability CVE-2009-4355
Published: 2010-01-14   Modified: 2012-02-13

Description:
Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function, as demonstrated by use of SSLv3 and PHP with the Apache HTTP Server, a related issue to CVE-2008-1678.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Openssl 
Openssl -> Openssl 

 References:
http://cvs.openssl.org/chngview?cn=19068
http://cvs.openssl.org/chngview?cn=19069
http://cvs.openssl.org/chngview?cn=19167
http://lists.fedoraproject.org/pipermail/package-announce/2010-April/038587.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-April/039561.html
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html
http://marc.info/?l=bugtraq&m=127128920008563&w=2
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11260
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12168
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:6678
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.663049
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0004
http://www.debian.org/security/2010/dsa-1970
http://www.mandriva.com/security/advisories?name=MDVSA-2010:022
http://www.openwall.com/lists/oss-security/2010/01/13/3
http://www.ubuntu.com/usn/USN-884-1
http://www.vupen.com/english/advisories/2010/0124
http://www.vupen.com/english/advisories/2010/0839
http://www.vupen.com/english/advisories/2010/0916
https://bugzilla.redhat.com/show_bug.cgi?id=546707
https://issues.rpath.com/browse/RPL-3157
https://kb.bluecoat.com/index?page=content&id=SA50
https://rhn.redhat.com/errata/RHSA-2010-0095.html
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