CVE-2013-1828

high

Description

The sctp_getsockopt_assoc_stats function in net/sctp/socket.c in the Linux kernel before 3.8.4 does not validate a size value before proceeding to a copy_from_user operation, which allows local users to gain privileges via a crafted application that contains an SCTP_GET_ASSOC_STATS getsockopt system call.

References

https://bugzilla.redhat.com/show_bug.cgi?id=919315

http://www.openwall.com/lists/oss-security/2013/03/08/2

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4

http://www.exploit-db.com/exploits/24747

http://twitter.com/grsecurity/statuses/309805924749541376

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=726bc6b092da4c093eb74d13c07184b18c1af0f1

Details

Source: Mitre, NVD

Published: 2013-03-22

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High