CVE-2014-0196

Known Exploited Public Exploit

Description

The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 60.26% Top 5%
KEV Since 
Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-2203-1 third party advisory vendor advisory
http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15319.html third party advisory
http://www.osvdb.org/106646 vdb entry broken link
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html vendor advisory mailing list third party advisory
http://www.openwall.com/lists/oss-security/2014/05/05/6 third party advisory mailing list
http://secunia.com/advisories/59262 third party advisory broken link
http://www.ubuntu.com/usn/USN-2204-1 third party advisory vendor advisory
http://secunia.com/advisories/59218 third party advisory not applicable
http://www.ubuntu.com/usn/USN-2202-1 third party advisory vendor advisory
http://www.exploit-db.com/exploits/33516 third party advisory vdb entry exploit
http://www.debian.org/security/2014/dsa-2928 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2199-1 third party advisory vendor advisory
http://linux.oracle.com/errata/ELSA-2014-0771.html third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1094232 patch third party advisory issue tracking
http://www.ubuntu.com/usn/USN-2197-1 third party advisory vendor advisory
http://source.android.com/security/bulletin/2016-07-01.html not applicable
http://rhn.redhat.com/errata/RHSA-2014-0512.html third party advisory vendor advisory
http://secunia.com/advisories/59599 third party advisory broken link
http://www.debian.org/security/2014/dsa-2926 third party advisory vendor advisory
https://github.com/torvalds/linux/commit/4291086b1f081b869c6d79e5b7441633dc3ace00 patch third party advisory exploit
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html vendor advisory mailing list third party advisory
http://pastebin.com/raw.php?i=yTSFUBgZ mailing list third party advisory exploit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4291086b1f081b869c6d79e5b7441633dc3ace00 broken link
http://bugzilla.novell.com/show_bug.cgi?id=875690 third party advisory issue tracking permissions required
http://www.ubuntu.com/usn/USN-2198-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2200-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2201-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2196-1 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-0196?
CVE-2014-0196 has been scored as a medium severity vulnerability.
How to fix CVE-2014-0196?
To fix CVE-2014-0196, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-0196 being actively exploited in the wild?
It is confirmed that CVE-2014-0196 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~60% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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