CVE-2011-1091
Yahoo! Protocol Plugin in Pidgin allows Remote Denial of Service (DoS) Vulnerabilities.
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.
INFO
Published Date :
March 14, 2011, 7:55 p.m.
Last Modified :
April 11, 2025, 12:51 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
8.0
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2011-1091.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2011-1091 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2011-1091 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c Added Reference http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7 Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html Added Reference http://secunia.com/advisories/43695 Added Reference http://secunia.com/advisories/43721 Added Reference http://secunia.com/advisories/46376 Added Reference http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884 Added Reference http://www.pidgin.im/news/security/?id=51 Added Reference http://www.redhat.com/support/errata/RHSA-2011-0616.html Added Reference http://www.redhat.com/support/errata/RHSA-2011-1371.html Added Reference http://www.securityfocus.com/bid/46837 Added Reference http://www.vupen.com/english/advisories/2011/0643 Added Reference http://www.vupen.com/english/advisories/2011/0661 Added Reference http://www.vupen.com/english/advisories/2011/0669 Added Reference http://www.vupen.com/english/advisories/2011/0703 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=683031 Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/66055 Added Reference https://hermes.opensuse.org/messages/13195955 Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description CVE-2011-1091 Pidgin: Multiple NULL pointer dereference flaws in Yahoo protocol plug-in 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. Removed CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:S/C:N/I:N/A:P) Removed Reference https://access.redhat.com/errata/RHSA-2011:0616 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2011:1371 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2011-1091 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. CVE-2011-1091 Pidgin: Multiple NULL pointer dereference flaws in Yahoo protocol plug-in Added CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:S/C:N/I:N/A:P) Added Reference https://access.redhat.com/errata/RHSA-2011:1371 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2011:0616 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2011-1091 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 19, 2017
Action Type Old Value New Value Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:18402 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 17, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/66055 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/66055 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 15, 2011
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2011-1091 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2011-1091
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.49 }} 0.08%
score
0.79985
percentile