Off-by-one error in the ppscan function (preproc.c) in Netwide Assembler...

Vulnerability Description

Off-by-one error in the ppscan function (preproc.c) in Netwide Assembler (NASM) 2.02 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted file that triggers a stack-based buffer overflow.

References

• http://www.securityfocus.com/bid/29656
• https://sourceforge.net/tracker/?func=detail&atid=106208&aid=1942146&group_id=6208
• https://sourceforge.net/project/shownotes.php?group_id=6208&release_id=606115
• http://repo.or.cz/w/nasm.git?a=commit%3Bh=76ec8e73db16f4cf1453a142d03bcc74d528f72f
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:120
• http://secunia.com/advisories/30594
• https://exchange.xforce.ibmcloud.com/vulnerabilities/42995
• http://secunia.com/advisories/32059
• http://www.openwall.com/lists/oss-security/2008/06/11/5
• http://www.vupen.com/english/advisories/2008/1811
• http://www.ubuntu.com/usn/usn-648-1
• http://www.securitytracker.com/id?1020259
• http://www.openwall.com/lists/oss-security/2008/06/11/4