Vulnerability Details : CVE-2006-2659
libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding.
Vulnerability category: Denial of service
Products affected by CVE-2006-2659
- cpe:2.3:a:double_precision_incorporated:courier_mta:*:*:*:*:*:*:*:*
- cpe:2.3:a:double_precision_incorporated:courier_mta:0.38.1:*:*:*:*:*:*:*
- cpe:2.3:a:double_precision_incorporated:courier_mta:0.37.3:*:*:*:*:*:*:*
- cpe:2.3:a:double_precision_incorporated:courier_mta:0.40:*:*:*:*:*:*:*
- cpe:2.3:a:double_precision_incorporated:courier_mta:0.43:*:*:*:*:*:*:*
- cpe:2.3:a:double_precision_incorporated:courier_mta:0.43.1:*:*:*:*:*:*:*
- cpe:2.3:a:double_precision_incorporated:courier_mta:0.43.2:*:*:*:*:*:*:*
- cpe:2.3:a:double_precision_incorporated:courier_mta:0.44:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2006-2659
8.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2006-2659
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
References for CVE-2006-2659
-
http://securitytracker.com/id?1016248
-
http://security.gentoo.org/glsa/glsa-200608-06.xml
-
http://www.courier-mta.org/beta/patches/verp-fix/README.txt
Patch
-
http://www.securityfocus.com/bid/18345
Courier Mail Server Username Encoding Remote Denial Of Service Vulnerability
-
http://www.vupen.com/english/advisories/2006/2214
-
https://usn.ubuntu.com/294-1/
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/26998
-
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=368834
Patch
-
http://www.debian.org/security/2006/dsa-1101
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