Resource management error in Pidgin - CVE-2011-3184
Published: August 29, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44767
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-3184
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: pidgin.im
Affected software:
Pidgin
Pidgin
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.
How to mitigate CVE-2011-3184
Install update from vendor's website.
Sources
- http://developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.c
- http://developer.pidgin.im/viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1
- http://lists.fedoraproject.org/pipermail/package-announce/2011-August/064943.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065190.html
- http://pidgin.im/news/security/?id=54
- http://secunia.com/advisories/45663
- http://secunia.com/advisories/45916
- http://securitytracker.com/id?1025961
- http://www.openwall.com/lists/oss-security/2011/08/22/10
- http://www.openwall.com/lists/oss-security/2011/08/22/12
- http://www.openwall.com/lists/oss-security/2011/08/22/4
- http://www.openwall.com/lists/oss-security/2011/08/22/7
- http://www.securityfocus.com/bid/49268
- https://bugzilla.redhat.com/show_bug.cgi?id=732405
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69341
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18284