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CVE-2009-1255

Status Candidate

Overview

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.

Related Files

Mandriva Linux Security Advisory 2009-105
Posted May 5, 2009
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2009-105 - The process_stat function in Memcached prior 1.2.8 discloses memory-allocation statistics in response to a stats malloc command, which allows remote attackers to obtain potentially sensitive information by sending a command to the daemon's TCP port. The updated packages have been patched to prevent this.

tags | advisory, remote, tcp
systems | linux, mandriva
advisories | CVE-2009-1255, CVE-2009-1494
SHA-256 | 234a80a38489861d68a02790cb0a9b505a37001ba30edca59da0fa46baaf0797
Memcached ASLR Bypass Weakness
Posted Apr 28, 2009
Site positronsecurity.com

During an audit of the memcached v1.2.7 source code, it was found that the software divulges its stack, heap, and shared library memory locations. This effectively disables address space layout randomization (ASLR) protection, making potential buffer overflow vulnerabilities much easier to exploit.

tags | advisory, overflow, vulnerability, bypass
advisories | CVE-2009-1255
SHA-256 | 2f8e3cddb4d091a7628c65e9dcd58f8e254af82611e835a326c48824dc2d5d55
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