The msn_slp_sip_recv function in libpurple/protocols/msn/slp.c in the MSN protocol plugin…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
The msn_slp_sip_recv function in libpurple/protocols/msn/slp.c in the MSN protocol plugin in libpurple in Pidgin before 2.6.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an SLP invite message that lacks certain required fields, as demonstrated by a malformed message from a KMess client.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 37
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pidgin:libpurple:*:*:*:*:*:*:*:* | all versions | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:* | up to 2.6.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.0.2:*:linux:*:*:*:*:* | 2.0.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Pidgin |
- cpe:2.3:a:pidgin:libpurple:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:* Versions up to 2.6.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.0.2:*:linux:*:*:*:*:* Versions 2.0.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Pidgin
Show 27 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:* | 2.3.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.0:32_bit:*:*:*:*:*:* | 2.4.0 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.1:32_bit:*:*:*:*:*:* | 2.4.1 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.2:32_bit:*:*:*:*:*:* | 2.4.2 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.3:32_bit:*:*:*:*:*:* | 2.4.3 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:* | 2.5.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.0:32_bit:*:*:*:*:*:* | 2.5.0 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:* | 2.5.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:* | 2.5.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.2:32_bit:*:*:*:*:*:* | 2.5.2 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:* | 2.5.3 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.3:32_bit:*:*:*:*:*:* | 2.5.3 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:* | 2.5.4 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.4:32_bit:*:*:*:*:*:* | 2.5.4 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:* | 2.5.5 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.5:32_bit:*:*:*:*:*:* | 2.5.5 32_bit | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:* | 2.5.6 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:* | 2.5.7 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:* | 2.5.8 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:* | 2.5.9 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | Pidgin |
- cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.0:32_bit:*:*:*:*:*:* Versions 2.4.0 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.1:32_bit:*:*:*:*:*:* Versions 2.4.1 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.2:32_bit:*:*:*:*:*:* Versions 2.4.2 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.3:32_bit:*:*:*:*:*:* Versions 2.4.3 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.0:32_bit:*:*:*:*:*:* Versions 2.5.0 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.2:32_bit:*:*:*:*:*:* Versions 2.5.2 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:* Versions 2.5.3 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.3:32_bit:*:*:*:*:*:* Versions 2.5.3 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:* Versions 2.5.4 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.4:32_bit:*:*:*:*:*:* Versions 2.5.4 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:* Versions 2.5.5 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.5:32_bit:*:*:*:*:*:* Versions 2.5.5 32_bit Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:* Versions 2.5.6 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:* Versions 2.5.7 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:* Versions 2.5.8 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:* Versions 2.5.9 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Pidgin
Remediation
Red Hat 2 advisories
- RHSA-2009:1535 Released 2009-10-29 · Red Hat rating Moderatepidgin security update
- Red Hat Desktop version 3 pidgin-1.5.1-6.el3, pidgin-1.5.1-6.el3.i386
- Red Hat Enterprise Linux AS version 3 pidgin-1.5.1-6.el3, pidgin-1.5.1-6.el3.i386, pidgin-1.5.1-6.el3.ia64 +1
- Red Hat Enterprise Linux ES version 3 pidgin-1.5.1-6.el3, pidgin-1.5.1-6.el3.i386, pidgin-1.5.1-6.el3.ia64
- Red Hat Enterprise Linux WS version 3 pidgin-1.5.1-6.el3, pidgin-1.5.1-6.el3.i386, pidgin-1.5.1-6.el3.ia64
- RHSA-2009:1453 Released 2009-09-21 · Red Hat rating Moderatepidgin security update
- Red Hat Enterprise Linux AS version 4 finch-2.6.2-2.el4, finch-2.6.2-2.el4.i386, finch-2.6.2-2.el4.ia64 +33
- Red Hat Enterprise Linux Desktop (v. 5 client) finch-2.6.2-2.el5, finch-2.6.2-2.el5.i386, libpurple-2.6.2-2.el5 +9
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) finch-devel-2.6.2-2.el5, finch-devel-2.6.2-2.el5.i386, libpurple-devel-2.6.2-2.el5 +4
- Red Hat Enterprise Linux Desktop version 4 finch-2.6.2-2.el4, finch-2.6.2-2.el4.i386, finch-devel-2.6.2-2.el4 +15
- Red Hat Enterprise Linux ES version 4 finch-2.6.2-2.el4, finch-2.6.2-2.el4.i386, finch-2.6.2-2.el4.ia64 +24
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) finch-2.6.2-2.el5, finch-2.6.2-2.el5.i386, finch-devel-2.6.2-2.el5 +15
- Red Hat Enterprise Linux WS version 4 finch-2.6.2-2.el4, finch-2.6.2-2.el4.i386, finch-2.6.2-2.el4.ia64 +24
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2009:1535 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2009:1535 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2009:1453 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2009:1453 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2009:1453 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2009:1453 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2009:1535 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2009:1453 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2009:1453 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2009:1535 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2009:1453 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3083
- 2026-10-03 Alias added: GHSA-xm3f-7w29-9q8h
References
Patch 4
- http://developer.pidgin.im/ticket/10159
- http://www.pidgin.im/news/security/index.php?id=39
- http://developer.pidgin.im/viewmtn/revision/diff/6d3fc30a0a0a379281efc5a6872a9c1d7c24c650/with/b4a95ea62b81a06ffc1993912471c511b786efdd/libpurple/protocols/msn/slp.c
- http://developer.pidgin.im/viewmtn/revision/info/b4a95ea62b81a06ffc1993912471c511b786efdd
More Pidgin Libpurple vulnerabilities
- TI-2009-02939 The msn_slp_process_msg function in libpurple/protocols/msn/slpcall.c in the MSN protocol… CVSS 2.0MEDIUM 5.0
- TI-2009-02585 libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before… CVSS 2.0MEDIUM 5.0
- TI-2011-03169 The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and… CVSS 2.0MEDIUM 4.3
- TI-2011-02595 The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through… CVSS 2.0MEDIUM 4.3
- TI-2009-02940 The XMPP protocol plugin in libpurple in Pidgin before 2.6.2 does not properly handle an… CVSS 2.0MEDIUM 5.0
- TI-2010-04258 directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before… CVSS 2.0MEDIUM 4.0
Sources
- CVE-2009-3083 · CVE Program
- CVE-2009-3083 · NVD
- FIRST EPSS
- GHSA-xm3f-7w29-9q8h · GitHub Advisory Database · CC BY 4.0
- CVE-2009-3083 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences