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CVE-2015-1804

8.5 · HIGH

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly perform type conversion for metrics values, which allows remote authentica…

Published Mar 20, 2015xCWE-189EPSS 4.96%

Overview

CVE-2015-1804 is a high-severity vulnerability affecting x libxfont. It was published on March 20, 2015 and has a CVSS 2.0 base score of 8.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly perform type conversion for metrics values, which allows remote authenticated users to cause a denial of service (out-of-bounds memory access) and possibly execute arbitrary code via a crafted BDF font file.

Remediation

Check the references section for vendor advisories and patches from x. Update libxfont to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
xlibxfont0Affected

References

Refadvisories.mageia.org/MGASA-2015-0113.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-March/152497.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-March/152838.htmlReflists.opensuse.org/opensuse-security-announce/2015-03/msg00032.htmlReflists.opensuse.org/opensuse-security-announce/2015-04/msg00002.htmlReflists.opensuse.org/opensuse-security-announce/2015-04/msg00005.htmlReflists.opensuse.org/opensuse-updates/2015-12/msg00074.htmlRefrhn.redhat.com/errata/RHSA-2015-1708.htmlRefwww.debian.org/security/2015/dsa-3194Refwww.mandriva.com/security/advisories?name=MDVSA-2015:145

How CyberStrike helps

Frequently asked questions

What is CVE-2015-1804?

CVE-2015-1804 is a high-severity vulnerability affecting x libxfont. It was published on March 20, 2015 and has a CVSS 2.0 base score of 8.5 (HIGH).

How severe is CVE-2015-1804?

This vulnerability has a CVSS 2.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-1804?

Check the references section for vendor advisories and patches from x. Update libxfont to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-1804?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-1804 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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