Vulnerability Details : CVE-2011-3191
Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel before 3.1 allows remote CIFS servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a large length value in a response to a read request for a directory.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2011-3191
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Threat overview for CVE-2011-3191
Top countries where our scanners detected CVE-2011-3191
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-3191 67
Threat actors abusing to this issue?
Yes
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affected by CVE-2011-3191!
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Exploit prediction scoring system (EPSS) score for CVE-2011-3191
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-3191
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.3
|
HIGH | AV:A/AC:L/Au:N/C:C/I:C/A:C |
6.5
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2011-3191
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-3191
-
http://www.openwall.com/lists/oss-security/2011/08/24/2
oss-security - Re: CVE request: kernel: cifs: singedness issue in CIFSFindNext()Mailing List;Patch;Third Party Advisory
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9438fabb73eb48055b58b89fc51e0bc4db22fabd
-
https://github.com/torvalds/linux/commit/9438fabb73eb48055b58b89fc51e0bc4db22fabd
cifs: fix possible memory corruption in CIFSFindNext · torvalds/linux@9438fab · GitHubPatch;Third Party Advisory
-
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Mailing List;Patch;Vendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=732869
732869 – (CVE-2011-3191) CVE-2011-3191 kernel: cifs: signedness issue in CIFSFindNext()Issue Tracking;Patch;Third Party Advisory
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