Loop with Unreachable Exit Condition ('Infinite Loop') Affecting haproxy package, versions <1.8.15~git0.6b6a350a-3.6.2
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-HAPROXY-2757330
- published14 Apr 2022
- disclosed10 Jan 2019
Introduced: 10 Jan 2019
CVE-2018-20103 (opens in a new tab)How to fix?
Upgrade SLES:15.0 haproxy to version 1.8.15~git0.6b6a350a-3.6.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
References
- https://www.suse.com/security/cve/CVE-2018-20103.html
- https://bugzilla.suse.com/1119419
- http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25
- http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f5e9f83d1cca25
- http://www.securityfocus.com/bid/106280
- https://access.redhat.com/errata/RHBA-2019:0326
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2019:1436
- https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html
- https://usn.ubuntu.com/3858-1/