NULL Pointer Dereference Affecting memcached package, versions <1.5.6-1.1
Threat Intelligence
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Start learning- Snyk IDSNYK-DEBIAN11-MEMCACHED-519686
- published29 Apr 2019
- disclosed29 Apr 2019
Introduced: 29 Apr 2019
CVE-2019-11596 (opens in a new tab)How to fix?
Upgrade Debian:11 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:11 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/