CVE-2007-4996 — Improper Input Validation in Pidgin

CWE-20 — Improper Input Validation11 documents6 sources
Severity
4.3MEDIUMNVD
EPSS
1.6%
top 18.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
PidginDebian Pidgin
Timeline
PublishedOct 1
Latest updateMay 1

Description

libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."

CVSS vector

AV:N/AC:M/C:N/I:N/A:PExploitability: 8.6 | Impact: 2.9

Affected Packages3 packages

▶debiandebian/pidgin< pidgin 2.2.1-1 (bookworm)+1
▶Debianpidgin/pidgin< 2.2.1-1+7
▶NVDpidgin/pidgin2.1.0, 2.2.0, 2.2.1+2

Patches

Patch: secunia.com ↗Patch: www.pidgin.im ↗Patch: secunia.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-qcj3-h9mr-5c65: libpurple in Pidgin 2↗2022-05-01
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GHSA
GHSA-r9v7-jgpj-m4mq: libpurple in Pidgin before 2↗2022-05-01
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OSV
CVE-2007-4999: libpurple in Pidgin 2↗2007-10-29
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OSV
CVE-2007-4996: libpurple in Pidgin before 2↗2007-10-01
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📋Vendor Advisories

4
Red Hat
MSN nudges sent from unknown buddies can cause libpurple to crash↗2007-09-27
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Debian
CVE-2007-4996: pidgin - libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages fro...↗2007
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Debian
CVE-2007-4999: pidgin - libpurple in Pidgin 2.1.0 through 2.2.1, when using HTML logging, allows remote ...↗2007
▶
Red Hat
CVE-2007-4999: libpurple in Pidgin 2↗
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💬Community

1
Bugzilla
CVE-2007-4996 MSN nudges sent from unknown buddies can cause libpurple to crash↗2007-10-01
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