Vulnerability CVE-2010-2494


Published: 2010-07-08   Modified: 2012-02-13

Description:
Multiple buffer underflows in the base64 decoder in base64.c in (1) bogofilter and (2) bogolexer in bogofilter before 1.2.2 allow remote attackers to cause a denial of service (heap memory corruption and application crash) via an e-mail message with invalid base64 data that begins with an = (equals) character.

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

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
Bogofilter -> Bogofilter 

 References:
http://marc.info/?l=oss-security&m=127840569013531&w=2
http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/src/base64.c?view=patch&r1=6906&r2=6903
https://bugzilla.redhat.com/show_bug.cgi?id=611551
http://www.vupen.com/english/advisories/2010/2233
http://www.ubuntu.com/usn/USN-980-1
http://www.securityfocus.com/bid/41339
http://www.osvdb.org/66002
http://secunia.com/advisories/41239
http://secunia.com/advisories/40427
http://marc.info/?l=oss-security&m=127844323105405&w=2
http://marc.info/?l=oss-security&m=127831760712436&w=2
http://marc.info/?l=oss-security&m=127814747231102&w=2
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/046590.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/046558.html
http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/doc/bogofilter-SA-2010-01?revision=6909&pathrev=6909
http://bogofilter.sourceforge.net/security/bogofilter-SA-2010-01

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