Vulnerability Details : CVE-2011-2517
Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value.
Vulnerability category: Overflow
Products affected by CVE-2011-2517
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-2517
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2517
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2011-2517
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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-2011-2517
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https://github.com/torvalds/linux/commit/208c72f4fe44fe09577e7975ba0e7fa0278f3d03
nl80211: fix check for valid SSID size in scan operations · torvalds/linux@208c72f · GitHubPatch;Third Party Advisory
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http://rhn.redhat.com/errata/RHSA-2011-1212.html
RHSA-2011:1212 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=718152
718152 – (CVE-2011-2517) CVE-2011-2517 kernel: nl80211: missing check for valid SSID size in scan operationsIssue Tracking;Third Party Advisory
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http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.2
404 Not FoundBroken Link
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http://www.openwall.com/lists/oss-security/2011/07/01/4
oss-security - Re: CVE request: kernel: nl80211: missing check for valid SSID size in scan operationsMailing List;Third Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=208c72f4fe44fe09577e7975ba0e7fa0278f3d03
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