Vulnerability Details : CVE-2014-9683
Off-by-one error in the ecryptfs_decode_from_filename function in fs/ecryptfs/crypto.c in the eCryptfs subsystem in the Linux kernel before 3.18.2 allows local users to cause a denial of service (buffer overflow and system crash) or possibly gain privileges via a crafted filename.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2014-9683
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-9683
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-9683
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.6
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:P |
3.9
|
4.9
|
NIST |
CWE ids for CVE-2014-9683
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-9683
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http://www.ubuntu.com/usn/USN-2518-1
USN-2518-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://www.openwall.com/lists/oss-security/2015/02/17/9
oss-security - Re: CVE request: Linux kernel ecryptfs 1-byte overwrite
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http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2
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http://www.ubuntu.com/usn/USN-2515-1
USN-2515-1: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=942080643bce061c3dd9d5718d3b745dcb39a8bc
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http://www.ubuntu.com/usn/USN-2542-1
USN-2542-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu security notices
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https://bugzilla.redhat.com/show_bug.cgi?id=1193830
1193830 – (CVE-2014-9683) CVE-2014-9683 kernel: buffer overflow in eCryptfs
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http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Oracle Linux Bulletin - January 2016
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http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
[security-announce] SUSE-SU-2015:1478-1: important: Security update for
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http://www.debian.org/security/2015/dsa-3170
Debian -- Security Information -- DSA-3170-1 linux
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http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
mandriva.com
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http://www.ubuntu.com/usn/USN-2517-1
USN-2517-1: Linux kernel (Utopic HWE) vulnerabilities | Ubuntu security notices
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http://rhn.redhat.com/errata/RHSA-2015-1272.html
RHSA-2015:1272 - Security Advisory - Red Hat Customer Portal
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http://www.ubuntu.com/usn/USN-2516-1
USN-2516-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://www.ubuntu.com/usn/USN-2541-1
USN-2541-1: Linux kernel vulnerabilities | Ubuntu security notices
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https://github.com/torvalds/linux/commit/942080643bce061c3dd9d5718d3b745dcb39a8bc
eCryptfs: Remove buggy and unnecessary write in file name decode routine · torvalds/linux@9420806 · GitHub
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http://www.securityfocus.com/bid/72643
Linux Kernel 'fs/ecryptfs/crypto.c' Local Buffer Overflow Vulnerability
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=942080643bce061c3dd9d5718d3b745dcb39a8bc
kernel/git/torvalds/linux.git - Linux kernel source tree
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http://www.securitytracker.com/id/1031860
Linux Kernel Buffer Overflow in eCryptfs Lets Local Users Gain Elevated Privileges - SecurityTracker
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