CVE-2011-4971
First published: Thu Dec 12 2013(Updated: )
Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Php Memcached | =1.4.2 | |
| Php Memcached | =1.2.7 | |
| Php Memcached | =1.4.4 | |
| Php Memcached | =1.4.3 | |
| Php Memcached | <=1.4.5 | |
| Php Memcached | =1.4.0 | |
| Php Memcached | =1.2.8 | |
| Php Memcached | =1.4.1 |
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Reference Links
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:280
- https://code.google.com/p/memcached/issues/detail?id=192
- http://insecurety.net/?p=872
- http://secunia.com/advisories/56183
- http://www.debian.org/security/2014/dsa-2832
- http://www.ubuntu.com/usn/USN-2080-1
- https://puppet.com/security/cve/cve-2011-4971
- http://www.securityfocus.com/bid/59567
Frequently Asked Questions
What is the severity of CVE-2011-4971?
CVE-2011-4971 is characterized as a denial of service vulnerability due to integer signedness errors.
How do I fix CVE-2011-4971?
To address CVE-2011-4971, upgrade Memcached to version 1.4.6 or later where the vulnerability has been patched.
Which versions of Memcached are affected by CVE-2011-4971?
CVE-2011-4971 affects Memcached versions 1.4.5 and earlier, along with various earlier versions.
Can CVE-2011-4971 be exploited remotely?
Yes, CVE-2011-4971 can be exploited by remote attackers to crash the Memcached server.
What functions in Memcached are vulnerable in CVE-2011-4971?
The processes 'process_bin_sasl_auth', 'process_bin_complete_sasl_auth', 'process_bin_update', and 'process_bin_append_prepend' are vulnerable in CVE-2011-4971.
- agent/references
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/remedy
- agent/severity
- agent/weakness
- agent/author
- agent/first-publish-date
- agent/event
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- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/memcached
- canonical/php memcached
- version/php memcached/1.4.2
- version/php memcached/1.2.7
- version/php memcached/1.4.4
- version/php memcached/1.4.3
- version/php memcached/1.4.5
- version/php memcached/1.4.0
- version/php memcached/1.2.8
- version/php memcached/1.4.1