NULL Pointer Dereference Affecting memcached-devel package, versions <1.5.6-4.5.30
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-SLES151-MEMCACHEDDEVEL-2712361
- published14 Apr 2022
- disclosed22 May 2020
Introduced: 22 May 2020
CVE-2019-11596 (opens in a new tab)How to fix?
Upgrade SLES:15.1 memcached-devel to version 1.5.6-4.5.30 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream memcached-devel package and not the memcached-devel package as distributed by SLES.
See How to fix? for SLES:15.1 relevant fixed versions and status.
In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.
References
- https://www.suse.com/security/cve/CVE-2019-11596.html
- https://bugzilla.suse.com/1133817
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02
- https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
- https://github.com/memcached/memcached/issues/474
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
- https://usn.ubuntu.com/3963-1/