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Vulnerability Details : CVE-2009-2694 (1 public exploit)

The msn_slplink_process_msg function in libpurple/protocols/msn/slplink.c in libpurple, as used in Pidgin (formerly Gaim) before 2.5.9 and Adium 1.3.5 and earlier, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) by sending multiple crafted SLP (aka MSNSLP) messages to trigger an overwrite of an arbitrary memory location. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2009-1376.
Publish Date : 2009-08-21 Last Update Date : 2017-09-19
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeMemory corruption
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat critical
AV:N/AC:L/Au:N/C:P/I:P/A:P 2009-07-31 2009-08-18
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2009-2694 unix
DSA-1870 pidgin -- insufficient input validation oval:org.mitre.oval:def:8129 unix
DSA-1870-1 pidgin -- insufficient input validation oval:org.mitre.oval:def:12863 unix
ELSA-2009:1218: pidgin security update (Critical) oval:org.mitre.oval:def:22782 unix
Pidgin before 2.5.9 allow denial of service via SLP (aka MSNSLP) messages oval:org.mitre.oval:def:6320 windows
RHSA-2009:1218 -- pidgin security update (Critical) oval:org.mitre.oval:def:29222 unix
RHSA-2009:1218: pidgin security update (Critical) oval:com.redhat.rhsa:def:20091218 unix
The msn_slplink_process_msg function in libpurple/protocols/msn/slplink.c in libpurple, as used in Pidgin (formerly Gaim... oval:org.mitre.oval:def:10319 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2009-2694

# Product Type Vendor Product Version Update Edition Language
1 Application Adium Adium * * * * Version Details Vulnerabilities
2 Application Adium Adium 1.2.7 * * * Version Details Vulnerabilities
3 Application Adium Adium 1.3 * * * Version Details Vulnerabilities
4 Application Adium Adium 1.3.1 * * * Version Details Vulnerabilities
5 Application Adium Adium 1.3.2 * * * Version Details Vulnerabilities
6 Application Adium Adium 1.3.3 * * * Version Details Vulnerabilities
7 Application Adium Adium 1.3.4 * * * Version Details Vulnerabilities
8 Application Pidgin Pidgin * * * * Version Details Vulnerabilities
9 Application Pidgin Pidgin 2.0.0 * * * Version Details Vulnerabilities
10 Application Pidgin Pidgin 2.0.1 * * * Version Details Vulnerabilities
11 Application Pidgin Pidgin 2.0.2 * * * Version Details Vulnerabilities
12 Application Pidgin Pidgin 2.1.0 * * * Version Details Vulnerabilities
13 Application Pidgin Pidgin 2.1.1 * * * Version Details Vulnerabilities
14 Application Pidgin Pidgin 2.2.0 * * * Version Details Vulnerabilities
15 Application Pidgin Pidgin 2.2.1 * * * Version Details Vulnerabilities
16 Application Pidgin Pidgin 2.2.2 * * * Version Details Vulnerabilities
17 Application Pidgin Pidgin 2.3.0 * * * Version Details Vulnerabilities
18 Application Pidgin Pidgin 2.3.1 * * * Version Details Vulnerabilities
19 Application Pidgin Pidgin 2.4.0 * * * Version Details Vulnerabilities
20 Application Pidgin Pidgin 2.4.1 * * * Version Details Vulnerabilities
21 Application Pidgin Pidgin 2.4.2 * * * Version Details Vulnerabilities
22 Application Pidgin Pidgin 2.4.3 * * * Version Details Vulnerabilities
23 Application Pidgin Pidgin 2.5.0 * * * Version Details Vulnerabilities
24 Application Pidgin Pidgin 2.5.1 * * * Version Details Vulnerabilities
25 Application Pidgin Pidgin 2.5.2 * * * Version Details Vulnerabilities
26 Application Pidgin Pidgin 2.5.3 * * * Version Details Vulnerabilities
27 Application Pidgin Pidgin 2.5.4 * * * Version Details Vulnerabilities
28 Application Pidgin Pidgin 2.5.6 * * * Version Details Vulnerabilities
29 Application Pidgin Pidgin 2.5.7 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Adium Adium 7
Pidgin Pidgin 22

- References For CVE-2009-2694
VUPEN ADV-2009-2663
EXPLOIT-DB 9615 Pidgin MSN <= 2.5.8 - Remote Code Execution Exploit Author:Pierre Nogues Release Date:2009-09-09 (windows) remote
OVAL oval:org.mitre.oval:def:6320
OVAL oval:org.mitre.oval:def:10319

- Metasploit Modules Related To CVE-2009-2694

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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