CVE-2014-2523
What it is
net/netfilter/nf_conntrack_proto_dccp.c in the Linux kernel through 3.13.6 uses a DCCP header pointer incorrectly, which allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a DCCP packet that triggers a call to the (1) dccp_new, (2) dccp_packet, or (3) dccp_error function.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 10.4% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 10.4% in the next 30 days (EPSS).
- Severity: 10.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 10.4% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Linux Kernel < 3.2.57
- Linux Kernel < 3.4.86
- Linux Kernel < 3.10.36
- Linux Kernel < 3.12.17
- Linux Kernel < 3.13.9
- Canonical Ubuntu Linux 10.04
Attack profile CVSS 2.0 · 10.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2014-2523.md and follow it. Check whether this project is affected by CVE-2014-2523. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2014/03/17/7
- https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
- http://www.openwall.com/lists/oss-security/2014/03/17/7
- https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
- http://secunia.com/advisories/57446
- http://twitter.com/grsecurity/statuses/445496197399461888
- http://www.openwall.com/lists/oss-security/2014/03/17/7
- http://www.securityfocus.com/bid/66279
- http://www.securitytracker.com/id/1029945
- http://www.ubuntu.com/usn/USN-2173-1
- http://www.ubuntu.com/usn/USN-2174-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1077343
- https://exchange.xforce.ibmcloud.com/vulnerabilities/91910
- https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
- http://secunia.com/advisories/57446
- http://twitter.com/grsecurity/statuses/445496197399461888
- http://www.openwall.com/lists/oss-security/2014/03/17/7
- http://www.securityfocus.com/bid/66279
- http://www.securitytracker.com/id/1029945
- http://www.ubuntu.com/usn/USN-2173-1
- http://www.ubuntu.com/usn/USN-2174-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1077343
- https://exchange.xforce.ibmcloud.com/vulnerabilities/91910
- https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92