SecuritySpace - CVE-2017-13720

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CVE ID: CVE-2017-13720

Description: In the PatternMatch function in fontfile/fontdir.c in libXfont through 1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection can cause a buffer over-read during pattern matching of fonts, leading to information disclosure or a crash (denial of service). This occurs because '\0' characters are incorrectly skipped in situations involving ? characters.

Test IDs: 1.3.6.1.4.1.25623.1.0.891126

Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2017-13720
Debian Security Information: DSA-3995 (Google Search)
http://www.debian.org/security/2017/dsa-3995
https://security.gentoo.org/glsa/201711-08

CVE ID:	CVE-2017-13720
Description:	In the PatternMatch function in fontfile/fontdir.c in libXfont through 1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection can cause a buffer over-read during pattern matching of fonts, leading to information disclosure or a crash (denial of service). This occurs because '\0' characters are incorrectly skipped in situations involving ? characters.
Test IDs:	1.3.6.1.4.1.25623.1.0.891126
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2017-13720 Debian Security Information: DSA-3995 (Google Search) http://www.debian.org/security/2017/dsa-3995 https://security.gentoo.org/glsa/201711-08