CVE-2010-2494: Buffer Overflow
First published: Mon Jul 05 2010(Updated: )
A flaw was found in bogofilter's/bogolexer's base64 where it could overwrite memory before its heap buffer, if the base64 input started with an equals sign, such as through misdeclaration of quoted-printable as base64. This would cause bogofilter/bogolexer to corrupt their heap and crash upon receiving such an email message. Something is wrong with the bogofilter home page, the original referenced advisory [1] is currently unavailable, however a copy in svn [2] is. This will also be corrected in upstream version 1.2.2; a patch [3] is available. Please note that upstream version 1.2.2 is not yet available. References: [1] <a href="http://bogofilter.sourceforge.net/security/bogofilter-SA-2010-01">http://bogofilter.sourceforge.net/security/bogofilter-SA-2010-01</a> [2] <a href="http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/doc/bogofilter-SA-2010-01?view=markup&pathrev=6909">http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/doc/bogofilter-SA-2010-01?view=markup&pathrev=6909</a> [3] <a href="http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/src/base64.c?view=patch&r1=6906&r2=6903">http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/src/base64.c?view=patch&r1=6906&r2=6903</a> This affects bogofilter as shipped in Fedora 12 and 13, as well as EPEL5.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Evolution | =1.0.0 | |
| Evolution | =1.1.2 | |
| Evolution | =1.1.7 | |
| Evolution | =1.0.1 | |
| Evolution | <=1.2.1 | |
| Evolution | =1.1.0 | |
| Evolution | =1.1.5 | |
| Evolution | =1.1.3 | |
| Evolution | =1.2.0 | |
| Evolution | =1.0.2 | |
| Evolution | =1.1.4 | |
| Evolution | =1.1.1 | |
| Evolution | =1.1.6 | |
| Evolution | =1.0.3 |
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Reference Links
- http://marc.info/?l=oss-security&m=127840569013531&w=2
- http://marc.info/?l=oss-security&m=127831760712436&w=2
- http://www.osvdb.org/66002
- 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
- http://marc.info/?l=oss-security&m=127844323105405&w=2
- https://bugzilla.redhat.com/show_bug.cgi?id=611551
- http://marc.info/?l=oss-security&m=127814747231102&w=2
- http://secunia.com/advisories/40427
- http://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/src/base64.c?view=patch&r1=6906&r2=6903
- http://www.securityfocus.com/bid/41339
- http://www.ubuntu.com/usn/USN-980-1
- http://www.vupen.com/english/advisories/2010/2233
- http://secunia.com/advisories/41239
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/046590.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/046558.html
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- 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://bogofilter.svn.sourceforge.net/viewvc/bogofilter/trunk/bogofilter/doc/bogofilter-SA-2010-01?view=markup&pathrev=6909
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=611552
- https://access.redhat.com/security/cve/CVE-2010-2494
Frequently Asked Questions
What is the severity of CVE-2010-2494?
CVE-2010-2494 is classified as a high severity vulnerability due to the potential for memory corruption and application crashes.
How do I fix CVE-2010-2494?
To fix CVE-2010-2494, upgrade to a patched version of Bogofilter that addresses this vulnerability.
What versions of Bogofilter are affected by CVE-2010-2494?
CVE-2010-2494 affects Bogofilter versions 1.0.0 through 1.2.1, including specific versions like 1.1.2 and 1.1.7.
What are the potential consequences of CVE-2010-2494?
The consequences of CVE-2010-2494 include application crashes and potential exploitation of memory corruption vulnerabilities.
Is CVE-2010-2494 a remote or local vulnerability?
CVE-2010-2494 is considered a local vulnerability, as it requires local access to exploit.
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