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Secunia Security Advisory 32137

Secunia Security Advisory 32137
Posted Oct 22, 2008
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Secunia Research has discovered a vulnerability in GNU Enscript, which can be exploited by malicious people to compromise a vulnerable system.

tags | advisory
SHA-256 | db1aa18bd99016da9ad00135bb5eb7c68e948be22ed3e2241b11acbcb6864f80

Secunia Security Advisory 32137

Change Mirror Download
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Do you need accurate and reliable IDS / IPS / AV detection rules?

Get in-depth vulnerability details:
http://secunia.com/binary_analysis/sample_analysis/

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TITLE:
GNU Enscript "setfilename" Special Escape Buffer Overflow

SECUNIA ADVISORY ID:
SA32137

VERIFY ADVISORY:
http://secunia.com/advisories/32137/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
GNU Enscript 1.x
http://secunia.com/advisories/product/4552/

DESCRIPTION:
Secunia Research has discovered a vulnerability in GNU Enscript,
which can be exploited by malicious people to compromise a vulnerable
system.

The vulnerability is caused due to a boundary error within the
"read_special_escape()" function in src/psgen.c. This can be
exploited to cause a stack-based buffer overflow by tricking the user
into converting a malicious file.

Successful exploitation allows execution of arbitrary code, but
requires that special escapes processing is enabled with the "-e"
option.

The vulnerability is confirmed in versions 1.6.1 and 1.6.4 (beta).
Other versions may also be affected.

SOLUTION:
Do not convert untrusted files.

Various Linux vendors will issue patched versions soon.

PROVIDED AND/OR DISCOVERED BY:
Ulf Harnhammar, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2008-41/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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