CVE-2011-1091

critical

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.

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402

https://hermes.opensuse.org/messages/13195955

https://exchange.xforce.ibmcloud.com/vulnerabilities/66055

https://bugzilla.redhat.com/show_bug.cgi?id=683031

http://www.vupen.com/english/advisories/2011/0703

http://www.vupen.com/english/advisories/2011/0669

http://www.vupen.com/english/advisories/2011/0661

http://www.vupen.com/english/advisories/2011/0643

http://www.securityfocus.com/bid/46837

http://www.redhat.com/support/errata/RHSA-2011-1371.html

http://www.redhat.com/support/errata/RHSA-2011-0616.html

http://www.pidgin.im/news/security/?id=51

http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884

http://secunia.com/advisories/46376

http://secunia.com/advisories/43721

http://secunia.com/advisories/43695

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html

http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7

http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c

Details

Source: Mitre, NVD

Published: 2011-03-14

Updated: 2023-02-13

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Severity: Critical