NULL Pointer Dereference Affecting memcached package, versions <1.5.6-1.1
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-DEBIAN13-MEMCACHED-5689366
- published29 Apr 2019
- disclosed29 Apr 2019
Introduced: 29 Apr 2019
CVE-2019-11596 (opens in a new tab)How to fix?
Upgrade Debian:13 memcached to version 1.5.6-1.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream memcached package and not the memcached package as distributed by Debian.
See How to fix? for Debian:13 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://security-tracker.debian.org/tracker/CVE-2019-11596
- 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/
- https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02
- https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
- https://github.com/memcached/memcached/issues/474
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-11596
- https://usn.ubuntu.com/3963-1/
- 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/