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Debian Security Advisory DSA 2784-1 (xorg-server - use-after-free)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

6 months ago

Share

Summary

Pedro Ribeiro discovered a use-after-free in the handling of ImageText requests in the Xorg Xserver, which could result in denial of service or privilege escalation.

Affected Software

Affected Software

xorg-server on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the oldstable distribution (squeeze), this problem has been fixed in version 1.7.7-17. For the stable distribution (wheezy), this problem has been fixed in version 1.12.4-6+deb7u1. For the testing distribution (jessie), this problem has been fixed in version 1.14.3-4. For the unstable distribution (sid), this problem has been fixed in version 1.14.3-4. We recommend that you upgrade your xorg-server packages.

Common Vulnerabilities and Exposures (CVE)

References

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Citations 1. Costs and Consequences of Gaps in Vulnerability Response, Ponemom Institute 2. Cost of a Data Breach Report 2021, IBM

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