CVE-2011-1929

Description

lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and 2.0.x before 2.0.13 does not properly handle '\0' characters in header names, which allows remote attackers to cause a denial of service (daemon crash or mailbox corruption) via a crafted e-mail message.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 6.54% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061384.html vendor advisory
http://hg.dovecot.org/dovecot-1.1/rev/3698dfe0f21c patch
http://secunia.com/advisories/44771 third party advisory
http://dovecot.org/pipermail/dovecot/2011-May/059086.html mailing list patch
http://www.debian.org/security/2011/dsa-2252 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:101 vendor advisory
http://www.dovecot.org/doc/NEWS-2.0
https://bugzilla.redhat.com/show_bug.cgi?id=706286 patch
http://dovecot.org/pipermail/dovecot/2011-May/059085.html mailing list patch
http://www.redhat.com/support/errata/RHSA-2011-1187.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060825.html vendor advisory
http://osvdb.org/72495 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/67589 vdb entry
https://hermes.opensuse.org/messages/8581790 vendor advisory
http://www.securityfocus.com/bid/47930 vdb entry
http://openwall.com/lists/oss-security/2011/05/19/6 mailing list patch
http://secunia.com/advisories/44756 third party advisory
http://secunia.com/advisories/44827 third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060815.html vendor advisory
http://secunia.com/advisories/44683 third party advisory
http://secunia.com/advisories/44712 third party advisory
http://www.ubuntu.com/usn/USN-1143-1 vendor advisory
http://openwall.com/lists/oss-security/2011/05/19/3 mailing list patch
http://www.dovecot.org/doc/NEWS-1.2
http://openwall.com/lists/oss-security/2011/05/18/4 mailing list patch

Frequently Asked Questions

What is the severity of CVE-2011-1929?
CVE-2011-1929 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1929?
To fix CVE-2011-1929, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1929 being actively exploited in the wild?
It is possible that CVE-2011-1929 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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