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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200604-10] zgv, xzgv: Heap overflow Vulnerability Assessment Details
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[GLSA-200604-10] zgv, xzgv: Heap overflow |
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zgv, xzgv: Heap overflow Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200604-10 (zgv, xzgv: Heap overflow) Andrea Barisani of Gentoo Linux discovered xzgv and zgv allocate insufficient memory when rendering images with more than 3 output components, such as images using the YCCK or CMYK colour space. When xzgv or zgv attempt to render the image, data from the image overruns a heap allocated buffer. Impact A possible hacker may be able to construct a malicious image that executes arbitrary code with the permissions of the xzgv or zgv user when attempting to render the image. Workaround There is no known workaround at this time. References: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1060 Solution: All xzgv users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-gfx/xzgv-0.8-r2" All zgv users should also upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-gfx/zgv-5.8" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2006 Michel Arboi |
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