Access Restriction Bypass Affecting xymon package, versions <4.3.25-1
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-DEBIAN9-XYMON-310567
- published13 Apr 2016
- disclosed13 Apr 2016
Introduced: 13 Apr 2016
CVE-2016-2057 (opens in a new tab)How to fix?
Upgrade Debian:9 xymon to version 4.3.25-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xymon package and not the xymon package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
lib/xymond_ipc.c in Xymon 4.1.x, 4.2.x, and 4.3.x before 4.3.25 use weak permissions (666) for an unspecified IPC message queue, which allows local users to inject arbitrary messages by writing to that queue.
References
- https://security-tracker.debian.org/tracker/CVE-2016-2057
- http://www.securityfocus.com/archive/1/537522/100/0/threaded
- https://sourceforge.net/p/xymon/code/7891/
- http://www.debian.org/security/2016/dsa-3495
- http://packetstormsecurity.com/files/135758/Xymon-4.3.x-Buffer-Overflow-Code-Execution-Information-Disclosure.html