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[ GLSA 200612-13 ] libgsf: Buffer overflow
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GLSA
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PostPosted: Tue Dec 12, 2006 10:26 pm    Post subject: [ GLSA 200612-13 ] libgsf: Buffer overflow Reply with quote

Gentoo Linux Security Advisory

Title: libgsf: Buffer overflow (GLSA 200612-13)
Severity: normal
Exploitable: remote
Date: December 12, 2006
Bug(s): #156693
ID: 200612-13

Synopsis

libgsf improperly allocates memory allowing for a heap overflow and possibly the execution of arbitrary code.

Background

The GNOME Structured File Library is an I/O library that can read and write common file types and handle structured formats that provide file-system-in-a-file semantics.

Affected Packages

Package: gnome-extra/libgsf
Vulnerable: < 1.14.2
Unaffected: >= 1.14.2
Architectures: All supported architectures


Description

"infamous41md" has discovered that the "ole_init_info" function may allocate too little memory for storing the contents of an OLE document, resulting in a heap buffer overflow.

Impact

An attacker could entice a user to open a specially crafted OLE document, and possibly execute arbitrary code with the rights of the user opening the document.

Workaround

There is no known workaround at this time.

Resolution

All libgsf users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=gnome-extra/libgsf-1.14.2"


References

CVE-2006-4514


Last edited by GLSA on Sat May 17, 2008 4:19 am; edited 2 times in total
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