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Gentoo: GLSA-201006-15 Normal: XEmacs Code Execution Risk

gentoo
Calendar Grey June 3, 2010
Dist Gentoo Esm H88
XEmacs exhibits vulnerabilities from integer overflow, potentially enabling user-triggered execution of arbitrary code. Update promptly to reduce security threats.
Multiple integer overflow errors in XEmacs might allow remote, user-assisted attackers to execute arbitrary code.

Summary

Tielei Wang reported multiple integer overflow vulnerabilities in the tiff_instantiate(), png_instantiate() and jpeg_instantiate() functions in glyphs-eimage.c, all possibly leading to heap-based buffer overflows.

Topics%20covered

Topics Covered

security advisory gentoo code execution integer overflow xemacs normal user-assisted

Resolution

All XEmacs users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-editors/xemacs-21.4.22-r1"
NOTE: This is a legacy GLSA. Updates for all affected architectures are available since July 26, 2009. It is likely that your system is already no longer affected by this issue.

References

[ 1 ] CVE-2009-2688 https://www.cve.org/CVERecord?id=CVE-2009-2688

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201006-15
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: XEmacs: User-assisted execution of arbitrary code
Date: June 03, 2010
Bugs: #275397
ID: 201006-15

Topics%20covered

Topics Covered

security advisory gentoo code execution integer overflow xemacs normal user-assisted

Synopsis

Multiple integer overflow errors in XEmacs might allow remote, user-assisted attackers to execute arbitrary code.

Background

XEmacs is a highly extensible and customizable text editor.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-editors/xemacs < 21.4.22-r1 >= 21.4.22-r1

Impact

===== A remote attacker could entice a user to open a specially crafted TIFF, JPEG or PNG file using XEmacs, possibly resulting in the remote execution of arbitrary code with the privileges of the user running the application, or a Denial of Service condition.

Workaround

There is no known workaround at this time.

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