Apple Mac OS X libc 'strnstr(3)' Off-By-One Denial of Service Vulnerability
BID:28374
Info
Apple Mac OS X libc 'strnstr(3)' Off-By-One Denial of Service Vulnerability
| Bugtraq ID: | 28374 |
| Class: | Boundary Condition Error |
| CVE: |
CVE-2008-0988 |
| Remote: | Yes |
| Local: | Yes |
| Published: | Mar 18 2008 12:00AM |
| Updated: | Mar 24 2008 03:40PM |
| Credit: | Mike Ash of Rogue Amoeba Software |
| Vulnerable: |
Cosmicperl Directory Pro 10.0.3 Apple Mac OS X Server 10.4.11 Apple Mac OS X Server 10.4.10 Apple Mac OS X Server 10.4.9 Apple Mac OS X Server 10.4.8 Apple Mac OS X Server 10.4.7 Apple Mac OS X Server 10.4.6 Apple Mac OS X Server 10.4.5 Apple Mac OS X Server 10.4.4 Apple Mac OS X Server 10.4.3 Apple Mac OS X Server 10.4.2 Apple Mac OS X Server 10.4.1 Apple Mac OS X Server 10.4 Apple Mac OS X Server 10.3.9 Apple Mac OS X Server 10.3.8 Apple Mac OS X Server 10.3.7 Apple Mac OS X Server 10.3.6 Apple Mac OS X Server 10.3.5 Apple Mac OS X Server 10.3.4 Apple Mac OS X Server 10.3.3 Apple Mac OS X Server 10.3.2 Apple Mac OS X Server 10.3.1 Apple Mac OS X Server 10.3 Apple Mac OS X Server 10.2.8 Apple Mac OS X Server 10.2.7 Apple Mac OS X Server 10.2.6 Apple Mac OS X Server 10.2.5 Apple Mac OS X Server 10.2.4 Apple Mac OS X Server 10.2.3 Apple Mac OS X Server 10.2.2 Apple Mac OS X Server 10.2.1 Apple Mac OS X Server 10.2 Apple Mac OS X Server 10.1.5 Apple Mac OS X Server 10.1.4 Apple Mac OS X Server 10.1.3 Apple Mac OS X Server 10.1.2 Apple Mac OS X Server 10.1.1 Apple Mac OS X Server 10.1 Apple Mac OS X 10.4.11 Apple Mac OS X 10.4.10 Apple Mac OS X 10.4.9 Apple Mac OS X 10.4.8 Apple Mac OS X 10.4.7 Apple Mac OS X 10.4.6 Apple Mac OS X 10.4.5 Apple Mac OS X 10.4.4 Apple Mac OS X 10.4.3 Apple Mac OS X 10.4.2 Apple Mac OS X 10.4.1 Apple Mac OS X 10.4 Apple Mac OS X 10.3.9 Apple Mac OS X 10.3.8 Apple Mac OS X 10.3.7 Apple Mac OS X 10.3.6 Apple Mac OS X 10.3.5 Apple Mac OS X 10.3.4 Apple Mac OS X 10.3.3 Apple Mac OS X 10.3.2 Apple Mac OS X 10.3.1 Apple Mac OS X 10.3 Apple Mac OS X 10.2.8 Apple Mac OS X 10.2.7 Apple Mac OS X 10.2.6 Apple Mac OS X 10.2.5 Apple Mac OS X 10.2.4 Apple Mac OS X 10.2.3 Apple Mac OS X 10.2.2 Apple Mac OS X 10.2.1 Apple Mac OS X 10.2 Apple Mac OS X 10.1.5 Apple Mac OS X 10.1.4 Apple Mac OS X 10.1.3 Apple Mac OS X 10.1.2 Apple Mac OS X 10.1.1 Apple Mac OS X 10.1 Apple Mac OS X 10.1 Apple Mac OS X 10.0.4 Apple Mac OS X 10.0.3 Apple Mac OS X 10.0.2 Apple Mac OS X 10.0.1 Apple Mac OS X 10.0 3 Apple Mac OS X 10.0 |
| Not Vulnerable: | |
Discussion
Apple Mac OS X libc 'strnstr(3)' Off-By-One Denial of Service Vulnerability
Apple Mac OS X libc is prone to an off-by-one denial-of-service vulnerability because it fails to adequately bounds-check input data.
An attacker can exploit this issue to cause denial-of-service conditions on applications that use the affected API.
NOTE: This vulnerability was previously covered in BID 28304 (Apple Mac OS X 2008-002 Multiple Security Vulnerabilities), but has been given its own record to better document the issue.
Apple Mac OS X libc is prone to an off-by-one denial-of-service vulnerability because it fails to adequately bounds-check input data.
An attacker can exploit this issue to cause denial-of-service conditions on applications that use the affected API.
NOTE: This vulnerability was previously covered in BID 28304 (Apple Mac OS X 2008-002 Multiple Security Vulnerabilities), but has been given its own record to better document the issue.
Exploit / POC
Apple Mac OS X libc 'strnstr(3)' Off-By-One Denial of Service Vulnerability
Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Solution / Fix
Apple Mac OS X libc 'strnstr(3)' Off-By-One Denial of Service Vulnerability
Solution:
The vendor released an advisory and fixes. Please see the references for more information.
Apple Mac OS X 10.4.11
Apple Mac OS X Server 10.4.11
Solution:
The vendor released an advisory and fixes. Please see the references for more information.
Apple Mac OS X 10.4.11
-
Apple SecUpd2008-002PPC.dmg
http://wsidecar.apple.com/cgi-bin/nph-reg3rdpty2.pl/product=18157&cat= 57&platform=osx&method=sa/SecUpd2008-002PPC.dmg -
Apple SecUpd2008-002Univ.dmg
http://wsidecar.apple.com/cgi-bin/nph-reg3rdpty2.pl/product=18157&cat= 57&platform=osx&method=sa/SecUpd2008-002Univ.dmg
Apple Mac OS X Server 10.4.11
-
Apple SecUpdSrvr2008-002PPC.dmg
http://wsidecar.apple.com/cgi-bin/nph-reg3rdpty2.pl/product=18157&cat= 57&platform=osx&method=sa/SecUpdSrvr2008-002PPC.dmg -
Apple SecUpdSrvr2008-002Univ.dmg
http://wsidecar.apple.com/cgi-bin/nph-reg3rdpty2.pl/product=18157&cat= 57&platform=osx&method=sa/SecUpdSrvr2008-002Univ.dmg
References
Apple Mac OS X libc 'strnstr(3)' Off-By-One Denial of Service Vulnerability
References:
References:
- Mac OS X Homepage (Apple)
- Mac OS X Server Homepage (Apple)