CVE-2008-3903 describes an information disclosure vulnerability affecting multiple versions of Asterisk Open Source, Asterisk Business Edition, s800i, and Trixbox PBX. When Digest authentication and authalwaysreject are enabled, these systems generate distinct responses based on the validity of a SIP username, allowing remote attackers to enumerate valid usernames. The vulnerability has a CVSS score of 3.5, indicating a medium attack complexity and requiring authentication, with a potential impact of partial confidentiality loss. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.2CPE matchmatch criteria | cpe:2.3:a:asterisk:p_b_x:1.2:*:*:*:*:*:*:* | ||
1.2.22CPE matchmatch criteria | cpe:2.3:a:asterisk:p_b_x:1.2.22:*:*:*:*:*:*:* | ||
1.4.21.1CPE matchmatch criteria | cpe:2.3:a:asterisk:p_b_x:1.4.21.1:*:*:*:*:*:*:* | ||
1.6CPE matchmatch criteria | cpe:2.3:a:asterisk:p_b_x:1.6:*:*:*:*:*:*:* | ||
2.6.1CPE matchmatch criteria | cpe:2.3:a:trixbox:pbx:2.6.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:S/C:P/I:N/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.