Vulnerability CVE-2019-11596
Published: 2019-04-29

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.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Memcached -> Memcached 
Canonical -> Ubuntu linux 

 References:
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@lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
https://usn.ubuntu.com/3963-1/
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