Vulnerability Details : CVE-2011-1947
fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.
Vulnerability category: Denial of service
Products affected by CVE-2011-1947
- cpe:2.3:a:fetchmail:fetchmail:5.9.13:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:5.9.11:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:5.9.10:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc3:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc8:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre4:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc2:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc10:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc5:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre9:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.6:pre8:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc1:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc7:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc9:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.2.9:rc4:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc3:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc4:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.6:rc5:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.9:rc2:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.12:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.13:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.14:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.15:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.16:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.17:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:5.9.9:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.18:*:*:*:*:*:*:*
- cpe:2.3:a:fetchmail:fetchmail:6.3.19:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-1947
1.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1947
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-1947
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1947
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061735.html
[SECURITY] Fedora 14 Update: fetchmail-6.3.20-1.fc14
-
http://openwall.com/lists/oss-security/2011/05/31/12
oss-security - Re: CVE request for fetchmail STARTTLS hang (Denial of Service)
-
http://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.txt
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061672.html
[SECURITY] Fedora 15 Update: fetchmail-6.3.20-1.fc15
-
http://openwall.com/lists/oss-security/2011/06/01/2
oss-security - Re: CVE request for fetchmail STARTTLS hang (Denial of Service)
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061634.html
[SECURITY] Fedora 13 Update: fetchmail-6.3.20-1.fc13
-
http://www.fetchmail.info/fetchmail-SA-2011-01.txt
-
http://www.securityfocus.com/bid/48043
Fetchmail STARTTLS Remote Denial of Service Vulnerability
-
http://openwall.com/lists/oss-security/2011/05/31/17
oss-security - Re: CVE request for fetchmail STARTTLS hang (Denial of Service)
-
http://www.securityfocus.com/archive/1/518251/100/0/threaded
SecurityFocus
-
http://www.mandriva.com/security/advisories?name=MDVSA-2011:107
mandriva.com
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/67700
Fetchmail STARTTLS denial of service CVE-2011-1947 Vulnerability Report
-
http://openwall.com/lists/oss-security/2011/05/30/1
oss-security - CVE request for fetchmail STARTTLS hang (Denial of Service)
-
http://www.securitytracker.com/id?1025605
Fetchmail STARTTLS Blocking IO Bug Lets Remote Users Deny Service - SecurityTracker
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