VulnerabilityModified
CVE-2019-11596
This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.
HIGH 7.5EPSS 2.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.96% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- memcached/memcached · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02Patch, Third Party Advisory
- https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9fPatch
- https://github.com/memcached/memcached/issues/474Exploit, Third Party Advisory
- 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/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
- https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02Patch, Third Party Advisory
- https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9fPatch
- https://github.com/memcached/memcached/issues/474Exploit, Third Party Advisory
- 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/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.