National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-1091 Detail

Current Description

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Source:  MITRE
View Analysis Description

Evaluator Description

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.0 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c Patch
http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7 Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884
http://www.pidgin.im/news/security/?id=51 Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-0616.html
http://www.redhat.com/support/errata/RHSA-2011-1371.html
http://www.securityfocus.com/bid/46837
http://www.vupen.com/english/advisories/2011/0643
http://www.vupen.com/english/advisories/2011/0661
http://www.vupen.com/english/advisories/2011/0669
http://www.vupen.com/english/advisories/2011/0703
https://bugzilla.redhat.com/show_bug.cgi?id=683031
https://exchange.xforce.ibmcloud.com/vulnerabilities/66055
https://hermes.opensuse.org/messages/13195955
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-1091
NVD Published Date:
03/14/2011
NVD Last Modified:
09/18/2017