Improper input validation in Linux kernel - CVE-2005-3783
Published: November 23, 2005 / Updated: October 19, 2018
Vulnerability identifier: #VU95603
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2005-3783
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).
How to mitigate CVE-2005-3783
Install update from vendor's repository.
Sources
- ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U
- http://secunia.com/advisories/17761
- http://secunia.com/advisories/17787
- http://secunia.com/advisories/17917
- http://secunia.com/advisories/17918
- http://secunia.com/advisories/18203
- http://secunia.com/advisories/19369
- http://secunia.com/advisories/19374
- http://secunia.com/advisories/19607
- http://www.debian.org/security/2006/dsa-1017
- http://www.debian.org/security/2006/dsa-1018
- http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git;a=blobdiff;h=fcfc4568b45f3f190ba320b0d5853836921cb8bc;hp=019e04ec065a55d8f28157d3a1f7ba06cafd347f;hb=082d52c56f642d21b771a13221068d40915a1409;f=kernel/ptrace.c
- http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git;a=commit;h=082d52c56f642d21b771a13221068d40915a1409
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:072
- http://www.securityfocus.com/advisories/9806
- http://www.securityfocus.com/archive/1/419522/100/0/threaded
- http://www.securityfocus.com/bid/15642
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075
- https://usn.ubuntu.com/231-1/