Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2011-1770 |
CWE-ID | CWE-125 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU44912
Risk: Medium
CVSSv3.1: 6.5 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2011-1770
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14. A remote attacker can perform a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.
MitigationUpdate to version 2.6.33.14.
Vulnerable software versionsLinux kernel: 2.6.33.1 - 2.6.33.13
External linkshttp://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html
http://marc.info/?l=linux-kernel&m=130468845209036&w=2
http://marc.info/?l=linux-kernel&m=130469305815140&w=2
http://secunia.com/advisories/44932
http://securityreason.com/securityalert/8286
http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14
http://www.securityfocus.com/bid/47769
http://www.securitytracker.com/id?1025592
http://bugzilla.redhat.com/show_bug.cgi?id=703011
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.