CVE-2011-1770: Integer Underflow
First published: Mon May 09 2011(Updated: )
Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <2.6.33.14 | |
| Fedoraproject Fedora | =15 | |
| Fedoraproject Fedora | =14 | |
| debian/linux-2.6 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html
- https://bugzilla.redhat.com/show_bug.cgi?id=703011
- http://marc.info/?l=linux-kernel&m=130469305815140&w=2
- http://secunia.com/advisories/44932
- http://www.securityfocus.com/bid/47769
- http://marc.info/?l=linux-kernel&m=130468845209036&w=2
- http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14
- http://www.securitytracker.com/id?1025592
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html
- http://securityreason.com/securityalert/8286
- http://marc.info/?l=linux-kernel&m=130469305815140&w=2
- http://marc.info/?l=linux-kernel&m=130468845209036&w=2
- https://launchpad.net/bugs/cve/CVE-2011-1770
- https://rhn.redhat.com/errata/RHSA-2011-0836.html
- https://rhn.redhat.com/errata/RHSA-2011-1253.html
- http://git.kernel.org/linus/a294865978b701e4d0d90135672749531b9a900d
- https://security-tracker.debian.org/tracker/CVE-2011-1770
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1770
- https://nvd.nist.gov/vuln/detail/CVE-2011-1770
- https://ubuntu.com/security/CVE-2011-1770
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