Test ID:	1.3.6.1.4.1.25623.1.0.843889
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-3877-1)
Summary:	The remote host is missing an update for the 'libvncserver' package(s) announced via the USN-3877-1 advisory.
Description:	Summary: The remote host is missing an update for the 'libvncserver' package(s) announced via the USN-3877-1 advisory. Vulnerability Insight: It was discovered that LibVNCServer incorrectly handled certain operations. A remote attacker able to connect to applications using LibVNCServer could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code. Affected Software/OS: 'libvncserver' package(s) on Ubuntu 14.04, Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10. Solution: Please install the updated package(s). CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2018-15126 Debian Security Information: DSA-4383 (Google Search) https://www.debian.org/security/2019/dsa-4383 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-027-libvnc-heap-use-after-free/ https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html https://usn.ubuntu.com/3877-1/ Common Vulnerability Exposure (CVE) ID: CVE-2018-15127 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-libvnc-heap-out-of-bound-write/ https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html RedHat Security Advisories: RHSA-2019:0059 https://access.redhat.com/errata/RHSA-2019:0059 https://usn.ubuntu.com/4547-1/ https://usn.ubuntu.com/4587-1/ Common Vulnerability Exposure (CVE) ID: CVE-2018-20019 https://security.gentoo.org/glsa/201908-05 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-029-libvnc-multiple-heap-out-of-bound-vulnerabilities/ Common Vulnerability Exposure (CVE) ID: CVE-2018-20020 https://security.gentoo.org/glsa/202006-06 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-030-libvnc-heap-out-of-bound-write/ https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html https://usn.ubuntu.com/4547-2/ Common Vulnerability Exposure (CVE) ID: CVE-2018-20021 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/ https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html Common Vulnerability Exposure (CVE) ID: CVE-2018-20022 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/ Common Vulnerability Exposure (CVE) ID: CVE-2018-20023 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-033-libvnc-memory-leak/ Common Vulnerability Exposure (CVE) ID: CVE-2018-20024 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-034-libvnc-null-pointer-dereference/ Common Vulnerability Exposure (CVE) ID: CVE-2018-20748 https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7 https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c https://github.com/LibVNC/libvncserver/issues/273 https://www.openwall.com/lists/oss-security/2018/12/10/8 Common Vulnerability Exposure (CVE) ID: CVE-2018-20749 BugTraq ID: 106825 http://www.securityfocus.com/bid/106825 https://github.com/LibVNC/libvncserver/commit/15bb719c03cc70f14c36a843dcb16ed69b405707 Common Vulnerability Exposure (CVE) ID: CVE-2018-20750 https://github.com/LibVNC/libvncserver/commit/09e8fc02f59f16e2583b34fe1a270c238bd9ffec Common Vulnerability Exposure (CVE) ID: CVE-2018-6307 https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-026-libvnc-heap-use-after-free/
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