CVE-2011-3184
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…
Does this matter?
Lower severity and a low EPSS score (3.86%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 3.86% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- pidgin/pidgin
- Source
- secalert@redhat.com
References
- http://developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.cPatch
- http://developer.pidgin.im/viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1Patch
- 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=54Patch, Vendor Advisory
- http://secunia.com/advisories/45663Vendor Advisory
- 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
- http://developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.cPatch
- http://developer.pidgin.im/viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1Patch
- 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=54Patch, Vendor Advisory
- http://secunia.com/advisories/45663Vendor Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.