HOMEVULNERABILITIESCVE-2011-3184
MEDIUM

CVE-2011-3184

CWE-399Published: August 29, 2011· Updated: Jun 16, 2026

4.3
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2011-3184 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityP
AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected Vendors & Products

pidgin1 product(s)
pidgin
Source: NVD CPE · 44 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.c
PATCHhttp://developer.pidgin.im/viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1
PATCHhttp://pidgin.im/news/security/?id=54
PATCHhttp://developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.c
PATCHhttp://developer.pidgin.im/viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1
PATCHhttp://pidgin.im/news/security/?id=54
ADVISORYhttp://secunia.com/advisories/45663
ADVISORYhttp://secunia.com/advisories/45663

All References (32)

→
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

Quick Facts

CVE IDCVE-2011-3184
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-399
CISA KEVNo
Affected1 vendor(s)
PublishedAug 29, 2011

Related CVEs (CWE-399)

CVE-2009-2465
10.0
CVE-2009-0414
10.0
CVE-2011-3488
10.0
CVE-2009-2462
10.0
CVE-2007-5332
10.0
CVE-2007-4689
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2011-3184 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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