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Apache CouchDB Timing Attack

Apache CouchDB Timing Attack
Posted Apr 1, 2010
Authored by Jason Davies | Site couchdb.apache.org

Apache CouchDB versions prior to version 0.11.0 are vulnerable to timing attacks, also known as side-channel information leakage, due to using simple break-on-inequality string comparisons when verifying hashes and passwords.

tags | advisory
advisories | CVE-2010-0009
MD5 | 61ea8042b421c171d4b868ee462b5e83

Apache CouchDB Timing Attack

Change Mirror Download
CVE-2010-0009: Apache CouchDB Timing Attack Vulnerability

Severity: Important

Vendor:
The Apache Software Foundation

Versions Affected:
Apache CouchDB 0.8.0 to 0.10.1

Description:
Apache CouchDB versions prior to version 0.11.0 are vulnerable to
timing attacks, also known as side-channel information leakage,
due to using simple break-on-inequality string comparisons when
verifying hashes and passwords.

Mitigation:
All users should upgrade to CouchDB 0.11.0. Upgrades from the 0.10.x
series should be seamless. Users on earlier versions should consult

http://wiki.apache.org/couchdb/Breaking_changes

Example:
A canonical description of the attack can be found in

http://codahale.com/a-lesson-in-timing-attacks/

Credit:
This issue was discovered by Jason Davies of the Apache CouchDB
development team.

References:
http://couchdb.apache.org/
http://couchdb.apache.org/downloads.html
http://wiki.apache.org/couchdb/Breaking_changes
http://codahale.com/a-lesson-in-timing-attacks/

Jan Lehnardt
--

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