84440 : LibreOffice XML Tag Hierarchy ODF File Handling Overflow
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Timeline

Disclosure Date
2012-08-01

Description

LibreOffice is prone to an overflow condition. This issue is triggered when an error occurs during the handling of tag hierarchy in the XML manifest encryption tag parsing code, which will result in a heap-based buffer overflow. With a specially crafted ODF file, a context-dependent attacker can potentially execute arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

Upgrade to version 3.5.5 or 3.6.0 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

The Document Foundation

LibreOffice

3.5.4

References

Security Tracker: 1027332
CVE ID: 2012-2665 (see also: NVD)
Secunia Advisory ID: 50135 50142 50146 50156 50270 50271 50438 50692
Related OSVDB ID: 84441 84442
Vendor Specific News/Changelog Entry: http://www.debian.org/security/2012/dsa-2520
http://www.gentoo.org/security/en/glsa/glsa-201209-05.xml
http://www.ubuntu.com/usn/usn-1536-1/
http://www.ubuntu.com/usn/usn-1537-1/
Vendor Specific Advisory URL: http://www.libreoffice.org/advisories/CVE-2012-2665/
http://www.openoffice.org/security/cves/CVE-2012-2665.html
RedHat RHSA: RHSA-2012:1135 RHSA-2012:1136

Credit

Timo Warns - PRE-CERT

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-08-07 | Disagree?

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