Description
memcached.c in memcached before 1.4.3 allows remote attackers to cause a denial of service (daemon hang or crash) via a long line that triggers excessive memory allocation. NOTE: some of these details are obtained from third party information.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | memcached | 1.4.5-1 | — |
| Debian 13 | memcached | 1.4.5-1 | — |
| Debian 12 | memcached | 1.4.5-1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- memcached 1.4.2 - Memory Consumption Remote Denial of Service EDB-33850 · dos · Apr 27, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- [oss-security] 20100408 Re: CVE request -- memcached mailing-list
- 39306 third-party-advisory
- http://github.com/memcached/memcached/commit/d9cd01ede97f4145af9781d448c62a3318952719
- http://blogs.sun.com/security/entry/input_validation_vulnerability_in_memcached
- [oss-security] 20100408 CVE request -- memcached mailing-list
- SUSE-SR:2010:013 vendor-advisory
- ADV-2011-0442 vdb-entry
- http://github.com/memcached/memcached/commit/75cc83685e103bc8ba380a57468c8f04413033f9
- http://code.google.com/p/memcached/issues/detail?id=102
- [oss-security] 20100408 Re: CVE request -- memcached mailing-list
- 1023839 vdb-entry
- SUSE-SR:2010:012 vendor-advisory