Out-of-bounds Read Affecting haproxy18 package, versions <0:1.8.14-2.el7
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-RHEL7-HAPROXY18-5273590
- published1 Nov 2021
- disclosed20 Sept 2018
Introduced: 20 Sep 2018
CVE-2018-14645 (opens in a new tab)How to fix?
Upgrade RHEL:7 haproxy18 to version 0:1.8.14-2.el7 or higher.
This issue was patched in RHSA-2018:2709.
NVD Description
Note: Versions mentioned in the description apply only to the upstream haproxy18 package and not the haproxy18 package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645
- https://access.redhat.com/security/cve/CVE-2018-14645
- https://www.mail-archive.com/haproxy@formilux.org/msg31253.html
- https://access.redhat.com/errata/RHBA-2019:0028
- https://usn.ubuntu.com/3780-1/
- https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html