CVE-2009-1255

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-04-30 · updated 2026-06-16
Weakness: CWE-200

Description

The process_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents of /proc/self/maps in response to a stats maps command and (b) memory-allocation statistics in response to a stats malloc command, which allows remote attackers to obtain sensitive information such as the locations of memory regions, and defeat ASLR protection, by sending a command to the daemon's TCP port.

Affected products

Memcachedb Memcached: through 1.2.0; 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.1.0, 0.1.1 (+8)

References

http://archives.neohapsis.com/archives/fulldisclosure/2009-04/0282.html
http://code.google.com/p/memcachedb/source/browse/trunk/ChangeLog?spec=svn98&r=98
http://code.google.com/p/memcachedb/source/detail?r=98
http://code.google.com/p/memcachedb/source/diff?spec=svn98&r=98&format=side&path=/trunk/memcachedb.c
http://groups.google.com/group/memcached/browse_thread/thread/ff96a9b88fb5d40e
http://osvdb.org/54127
http://secunia.com/advisories/34915
http://secunia.com/advisories/34932
http://secunia.com/advisories/35175
http://www.mandriva.com/security/advisories?name=MDVSA-2009:105
http://www.positronsecurity.com/advisories/2009-001.html
http://www.securityfocus.com/archive/1/503064/100/0/threaded

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