Test ID:	1.3.6.1.4.1.25623.1.0.892014
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-2014-1)
Summary:	The remote host is missing an update for the Debian 'vino' package(s) announced via the DLA-2014-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'vino' package(s) announced via the DLA-2014-1 advisory. Vulnerability Insight: Several vulnerabilities have been identified in the VNC code of vino, a desktop sharing utility for the GNOME desktop environment. The vulnerabilities referenced below are issues that have originally been reported against Debian source package libvncserver. The vino source package in Debian ships a custom-patched and stripped down variant of libvncserver, thus some of libvncserver's security fixes required porting over. CVE-2014-6053 The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer did not properly handle attempts to send a large amount of ClientCutText data, which allowed remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted message that was processed by using a single unchecked malloc. CVE-2018-7225 An issue was discovered in LibVNCServer. rfbProcessClientNormalMessage() in rfbserver.c did not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets. CVE-2019-15681 LibVNC contained a memory leak (CWE-655) in VNC server code, which allowed an attacker to read stack memory and could be abused for information disclosure. Combined with another vulnerability, it could be used to leak stack memory and bypass ASLR. This attack appeared to be exploitable via network connectivity. For Debian 8 Jessie, these problems have been fixed in version 3.14.0-2+deb8u1. We recommend that you upgrade your vino packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'vino' package(s) on Debian 8. Solution: Please install the updated package(s). CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2014-6053 Debian Security Information: DSA-3081 (Google Search) http://www.debian.org/security/2014/dsa-3081 https://security.gentoo.org/glsa/201507-07 http://www.ocert.org/advisories/ocert-2014-007.html https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html http://seclists.org/oss-sec/2014/q3/639 http://www.openwall.com/lists/oss-security/2014/09/25/11 http://secunia.com/advisories/61506 http://secunia.com/advisories/61682 SuSE Security Announcement: openSUSE-SU-2015:2207 (Google Search) http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html http://ubuntu.com/usn/usn-2365-1 https://usn.ubuntu.com/4573-1/ https://usn.ubuntu.com/4587-1/ Common Vulnerability Exposure (CVE) ID: CVE-2018-7225 BugTraq ID: 103107 http://www.securityfocus.com/bid/103107 Debian Security Information: DSA-4221 (Google Search) https://www.debian.org/security/2018/dsa-4221 https://security.gentoo.org/glsa/201908-05 http://www.openwall.com/lists/oss-security/2018/02/18/1 https://github.com/LibVNC/libvncserver/issues/218 https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html RedHat Security Advisories: RHSA-2018:1055 https://access.redhat.com/errata/RHSA-2018:1055 https://usn.ubuntu.com/3618-1/ https://usn.ubuntu.com/4547-1/ Common Vulnerability Exposure (CVE) ID: CVE-2019-15681 https://github.com/LibVNC/libvncserver/commit/d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a https://lists.debian.org/debian-lts-announce/2019/10/msg00039.html SuSE Security Announcement: openSUSE-SU-2020:0624 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html SuSE Security Announcement: openSUSE-SU-2020:1071 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00073.html https://usn.ubuntu.com/4407-1/
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