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Bug 1559905 - (CVE-2018-8881) CVE-2018-8881 nasm: Heap overflow in function tokenize in asm/preproc.c
CVE-2018-8881 nasm: Heap overflow in function tokenize in asm/preproc.c
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20171018,reported=2...
: Security
Depends On: 1567395 1567396 1559910
Blocks: 1559921
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Reported: 2018-03-23 10:13 EDT by Laura Pardo
Modified: 2018-08-18 07:29 EDT (History)
2 users (show)

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Fixed In Version: nasm 2.13.03
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Description Laura Pardo 2018-03-23 10:13:30 EDT 
Netwide Assembler (NASM) 2.13.02rc2 has a heap-based buffer over-read in the function tokenize in asm/preproc.c, related to an unterminated string.


References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392446

Patch:
https://github.com/cyrillos/nasm/commit/3144e84add8b152cc7a71e44617ce6f21daa4ba3
Comment 3 Pedro Yóssis Silva Barbosa 2018-04-16 14:41:34 EDT 
Based on the description, this issue affects nasm shipped by Red Hat Enterprise Linux 6 and 7. However, the reproducer attached in https://bugzilla.nasm.us/show_bug.cgi?id=3392446 did not work here.
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