Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fetchmail | Fetchmail | 5.9.9 |
Related Weaknesses (CWE)
References
- http://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.tx
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061634.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061672.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061735.html
- http://openwall.com/lists/oss-security/2011/05/30/1
- http://openwall.com/lists/oss-security/2011/05/31/12
- http://openwall.com/lists/oss-security/2011/05/31/17
- http://openwall.com/lists/oss-security/2011/06/01/2
- http://www.fetchmail.info/fetchmail-SA-2011-01.txt
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:107
- http://www.securityfocus.com/archive/1/518251/100/0/threaded
- http://www.securityfocus.com/bid/48043
- http://www.securitytracker.com/id?1025605
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67700
- http://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.tx
FAQ
What is CVE-2011-1947?
CVE-2011-1947 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 ac...
How severe is CVE-2011-1947?
CVE-2011-1947 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1947?
Check the references section above for vendor advisories and patch information. Affected products include: Fetchmail Fetchmail.