Bug 2210235 (CVE-2023-31723) - CVE-2023-31723 yasm: segmentation fault in expand_mmac_params() at nasm/nasm-pp.c
Summary: CVE-2023-31723 yasm: segmentation fault in expand_mmac_params() at nasm/nasm-...
Keywords:
Status: NEW
Alias: CVE-2023-31723
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
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Depends On: 2210246 2210245 2210247 2210248
Blocks: 2208018
TreeView+ depends on / blocked
 
Reported: 2023-05-26 08:45 UTC by TEJ RATHI
Modified: 2023-07-07 08:31 UTC (History)
2 users (show)

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A segmentation fault was discovered in Yasm's expand_mmac_params() function in nasm/nasm-pp.c file caused by read memory access. An attacker could exploit this vulnerability by tricking a user into opening specially crafted file, causing an application to halt or crash, leading to a denial of service.
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Description TEJ RATHI 2023-05-26 08:45:12 UTC 
yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function expand_mmac_params at /nasm/nasm-pp.c.

https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/yasm/SEGV/nasm-pp.c:4008%20in%20expand_mmac_params/README.md
https://github.com/yasm/yasm/issues/220
Comment 1 TEJ RATHI 2023-05-26 09:25:10 UTC 
Created yasm tracking bugs for this issue:

Affects: epel-all [bug 2210246]
Affects: fedora-all [bug 2210245]
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