Vulnerability Details : CVE-2011-1770
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.
Vulnerability category: Denial of service
Products affected by CVE-2011-1770
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-1770
2.86%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1770
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2011-1770
-
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1770
-
https://bugzilla.redhat.com/show_bug.cgi?id=703011
703011 – (CVE-2011-1770) CVE-2011-1770 kernel: dccp: handle invalid feature options lengthIssue Tracking;Patch;Third Party Advisory
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html
[SECURITY] Fedora 14 Update: kernel-2.6.35.13-92.fc14Patch;Third Party Advisory
-
http://www.securitytracker.com/id?1025592
Linux Kernel DCCP Integer Overflow Lets Remote Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
-
http://securityreason.com/securityalert/8286
linux kernel 2.6.33.13 dccp handle invalid feature options length - CXSecurity.comThird Party Advisory
-
http://www.securityfocus.com/bid/47769
Linux Kernel DCCP Option Length Remote Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14
Release Notes;Vendor Advisory
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html
[SECURITY] Fedora 15 Update: kernel-2.6.38.7-30.fc15Third Party Advisory
-
http://marc.info/?l=linux-kernel&m=130468845209036&w=2
'[PATCH] dccp: handle invalid feature options length' - MARCPatch;Third Party Advisory
-
http://marc.info/?l=linux-kernel&m=130469305815140&w=2
'Re: [PATCH] dccp: handle invalid feature options length' - MARCPatch;Third Party Advisory
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