Vulnerability Details : CVE-2011-4077
Potential exploit
Buffer overflow in the xfs_readlink function in fs/xfs/xfs_vnodeops.c in XFS in the Linux kernel 2.6, when CONFIG_XFS_DEBUG is disabled, allows local users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via an XFS image containing a symbolic link with a long pathname.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Products affected by CVE-2011-4077
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4077
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4077
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST |
CWE ids for CVE-2011-4077
-
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-2011-4077
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http://www.openwall.com/lists/oss-security/2011/10/26/1
oss-security - CVE Request -- kernel: xfs: potential buffer overflow in xfs_readlink()Mailing List;Patch;Third Party Advisory
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http://xorl.wordpress.com/2011/12/07/cve-2011-4077-linux-kernel-xfs-readlink-memory-corruption/
CVE-2011-4077: Linux kernel XFS readlink() Memory Corruption | xorl %eax, %eaxExploit;Third Party Advisory
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http://secunia.com/advisories/48964
Sign inBroken Link
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http://www.openwall.com/lists/oss-security/2011/10/26/3
oss-security - Re: CVE Request -- kernel: xfs: potential buffer overflow in xfs_readlink()Mailing List;Patch;Third Party Advisory
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http://oss.sgi.com/archives/xfs/2011-10/msg00345.html
High Performance Computing Solutions – Reliable, Available, Scalable HPC Systems | HPEPatch;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=749156
749156 – (CVE-2011-4077) CVE-2011-4077 kernel: xfs: potential buffer overflow in xfs_readlink()Issue Tracking;Patch;Third Party Advisory
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http://marc.info/?l=bugtraq&m=139447903326211&w=2
'[security bulletin] HPSBGN02970 rev.1 - HP Rapid Deployment Pack (RDP) or HP Insight Control Server ' - MARCMailing List;Third Party Advisory
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