CVE-2008-6393

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 18.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-03-03 · updated 2026-06-16
Weakness: CWE-189

Description

PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a file transfer request with a negative value in a SOCKS5 option, which bypasses a signed integer check and triggers an integer overflow and a heap-based buffer overflow.

Affected products

Psi-Im Psi: through 0.12; 0.1.0, 0.8.6, 0.8.7, 0.9, 0.9.1, 0.9.2 (+2)

References

http://bugs.gentoo.org/show_bug.cgi?id=252830
http://jolmos.blogspot.com/2008/12/psi-remote-integer-overflow.html
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
http://secunia.com/advisories/33311
http://secunia.com/advisories/34119
http://secunia.com/advisories/34259
http://secunia.com/advisories/34301
http://sourceforge.net/project/shownotes.php?release_id=658912
http://www.debian.org/security/2009/dsa-1741
http://www.openwall.com/lists/oss-security/2009/02/25/5
http://www.securityfocus.com/archive/1/499563
https://www.exploit-db.com/exploits/7555

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