Use After Free Affecting libvncserver0 package, versions <0.9.10-4.3.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-SLES150-LIBVNCSERVER0-2755601
- published14 Apr 2022
- disclosed11 Jan 2019
Introduced: 11 Jan 2019
CVE-2018-6307 (opens in a new tab)How to fix?
Upgrade SLES:15.0 libvncserver0 to version 0.9.10-4.3.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libvncserver0 package and not the libvncserver0 package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.
References
- https://www.suse.com/security/cve/CVE-2018-6307.html
- https://bugzilla.suse.com/1120115
- https://github.com/LibVNC/libvncserver/issues/241
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-026-libvnc-heap-use-after-free/
- https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://usn.ubuntu.com/3877-1/
- https://www.debian.org/security/2019/dsa-4383