NULL pointer dereference in libpurple and Pidgin - CVE-2010-4528
Published: January 7, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45490
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2010-4528
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: pidgin.im
Affected software:
libpurple
Pidgin
libpurple
Pidgin
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a short p2pv2 packet in a DirectConnect (aka direct connection) session.
How to mitigate CVE-2010-4528
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://developer.pidgin.im/viewmtn/revision/diff/e76f4ad4ef2f10588195a0eedc7a08f82062f79c/with/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031/libpurple/protocols/msn/directconn.c
- http://developer.pidgin.im/viewmtn/revision/info/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052862.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052905.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html
- http://pidgin.im/pipermail/support/2010-December/009251.html
- http://secunia.com/advisories/42732
- http://secunia.com/advisories/42824
- http://secunia.com/advisories/42877
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:259
- http://www.openwall.com/lists/oss-security/2010/12/27/1
- http://www.openwall.com/lists/oss-security/2010/12/31/5
- http://www.pidgin.im/news/security/?id=49
- http://www.securityfocus.com/bid/45581
- http://www.vupen.com/english/advisories/2011/0028
- http://www.vupen.com/english/advisories/2011/0054
- http://www.vupen.com/english/advisories/2011/0076
- https://bugzilla.redhat.com/show_bug.cgi?id=665421
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18461