Bug 1559913 (CVE-2018-8882) - CVE-2018-8882 nasm: Stack buffer underflow in function ieee_shr at source file asm/float.c
Summary: CVE-2018-8882 nasm: Stack buffer underflow in function ieee_shr at source fil...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-8882
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1559914 1559915 1559923 1568106 1568107
Blocks: 1559921
TreeView+ depends on / blocked
 
Reported: 2018-03-23 14:27 UTC by Laura Pardo
Modified: 2021-10-21 19:58 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-10-21 19:58:46 UTC
Embargoed:

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Description Laura Pardo 2018-03-23 14:27:14 UTC 
Netwide Assembler (NASM) 2.13.02rc2 has a stack-based buffer under-read in the function ieee_shr in asm/float.c via a large shift value.

References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392445
Comment 1 Laura Pardo 2018-03-23 14:27:46 UTC 
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1559914]
Comment 4 Pedro Yóssis Silva Barbosa 2018-04-16 18:49:03 UTC 
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=3392445 did not work here.
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