CVE-2008-6393 describes a critical heap-based buffer overflow vulnerability in PSI Jabber client versions prior to 0.12.1, affecting various Jabber and Psi-IM products. This flaw allows remote attackers to trigger a denial of service (crash) and potentially execute arbitrary code by sending a malicious file transfer request containing a negative SOCKS5 option value, which bypasses an integer check and causes an overflow. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication and having complete impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, a public exploit (EDB-7555) exists, though there is no evidence of active exploitation or significant community discussion surrounding this decade-old flaw.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.12CPE matchmatch criteria | cpe:2.3:a:psi-im:psi:*:*:*:*:*:*:*:* | ||
0.1.0CPE matchmatch criteria | cpe:2.3:a:psi-im:psi:0.1.0:*:*:*:*:*:*:* | ||
0.8.6CPE matchmatch criteria | cpe:2.3:a:psi-im:psi:0.8.6:*:*:*:*:*:*:* | ||
0.8.7CPE matchmatch criteria | cpe:2.3:a:psi-im:psi:0.8.7:*:*:*:*:*:*:* | ||
0.9CPE matchmatch criteria | cpe:2.3:a:psi-im:psi:0.9:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
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