CVE-2019-11596 Information

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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5