Vulnerability Details : CVE-2011-1091
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2011-1091
- cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-1091
1.64%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1091
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
References for CVE-2011-1091
-
https://hermes.opensuse.org/messages/13195955
openSUSE.org - 503
-
http://www.redhat.com/support/errata/RHSA-2011-1371.html
Support
-
https://bugzilla.redhat.com/show_bug.cgi?id=683031
683031 – (CVE-2011-1091) CVE-2011-1091 Pidgin: Multiple NULL pointer dereference flaws in Yahoo protocol plug-in
-
http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c
pidgin — BitbucketPatch
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/66055
Pidgin Yahoo protocol plugin denial of service CVE-2011-1091 Vulnerability Report
-
http://www.securityfocus.com/bid/46837
Libpurple Yahoo Protocol 'YMSG' NULL Pointer Dereference Denial of Service Vulnerability
-
http://www.vupen.com/english/advisories/2011/0669
Webmail | OVH- OVH
-
http://www.vupen.com/english/advisories/2011/0643
Webmail | OVH- OVH
-
http://www.pidgin.im/news/security/?id=51
Pidgin Security AdvisoriesPatch;Vendor Advisory
-
http://www.vupen.com/english/advisories/2011/0703
Webmail | OVH- OVH
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html
[SECURITY] Fedora 14 Update: pidgin-2.7.11-1.fc14
-
http://www.vupen.com/english/advisories/2011/0661
Webmail | OVH- OVH
-
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884
The Slackware Linux Project: Slackware Security Advisories
-
http://www.redhat.com/support/errata/RHSA-2011-0616.html
Support
-
http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7
pidgin — BitbucketPatch
-
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402
Repository / Oval Repository
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html
[SECURITY] Fedora 15 Update: pidgin-2.7.11-1.fc15
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