Test Kennung:	1.3.6.1.4.1.25623.1.1.13.2017.333.01
Kategorie:	Slackware Local Security Checks
Titel:	Slackware: Security Advisory (SSA:2017-333-01)
Zusammenfassung:	The remote host is missing an update for the 'libXcursor' package(s) announced via the SSA:2017-333-01 advisory.
Beschreibung:	Summary: The remote host is missing an update for the 'libXcursor' package(s) announced via the SSA:2017-333-01 advisory. Vulnerability Insight: New libXcursor packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, 14.2, and -current to fix a security issue. Here are the details from the Slackware 14.2 ChangeLog: +--------------------------+ patches/packages/libXcursor-1.1.15-i586-1_slack14.2.txz: Upgraded. Fix heap overflows when parsing malicious files. (CVE-2017-16612) It is possible to trigger heap overflows due to an integer overflow while parsing images and a signedness issue while parsing comments. The integer overflow occurs because the chosen limit 0x10000 for dimensions is too large for 32 bit systems, because each pixel takes 4 bytes. Properly chosen values allow an overflow which in turn will lead to less allocated memory than needed for subsequent reads. The signedness bug is triggered by reading the length of a comment as unsigned int, but casting it to int when calling the function XcursorCommentCreate. Turning length into a negative value allows the check against XCURSOR_COMMENT_MAX_LEN to pass, and the following addition of sizeof (XcursorComment) + 1 makes it possible to allocate less memory than needed for subsequent reads. For more information, see: [link moved to references] (* Security fix *) +--------------------------+ Affected Software/OS: 'libXcursor' package(s) on Slackware 13.0, Slackware 13.1, Slackware 13.37, Slackware 14.0, Slackware 14.1, Slackware 14.2, Slackware current. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2017-16612 Debian Security Information: DSA-4059 (Google Search) https://www.debian.org/security/2017/dsa-4059 https://security.gentoo.org/glsa/201801-04 https://cgit.freedesktop.org/wayland/wayland/commit/?id=5d201df72f3d4f4cb8b8f75f980169b03507da38 https://lists.freedesktop.org/archives/wayland-devel/2017-November/035979.html https://lists.debian.org/debian-lts-announce/2017/12/msg00002.html https://marc.info/?l=freedesktop-xorg-announce&m=151188036018262&w=2 http://www.openwall.com/lists/oss-security/2017/11/28/6 http://www.ubuntu.com/usn/USN-3501-1 https://usn.ubuntu.com/3622-1/
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