SB2013120311 - Buffer access with incorrect length value in memcached (Alpine package)
Published: December 3, 2013
Security Bulletin ID
SB2013120311
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer access with incorrect length value (CVE-ID: CVE-2011-4971)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions due to a large body length value in a packet. A remote attacker can trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=0c687f1c851d551be7c3629cc607b0778b5e174e
- https://git.alpinelinux.org/aports/commit/?id=6bf81f56e8c0b362d9c5ed046d9a8cdb81d5d957
- https://git.alpinelinux.org/aports/commit/?id=19a372186aeaae2a527ff34ceed5eb00d9738c00
- https://git.alpinelinux.org/aports/commit/?id=54688a01bb296d0f63a940565b20d110c3aa00e6
- https://git.alpinelinux.org/aports/commit/?id=1d52afcd87e9468934e941b8d3a0cdb8e7954490
- https://git.alpinelinux.org/aports/commit/?id=82a118c6ad22de1fd39186499c9bf1e3d58d9de6
- https://git.alpinelinux.org/aports/commit/?id=deded5f6427a47a48eac3311151c147dab49cdd6