CVE-2023-29582

low-risk
Published 2023-04-24

yasm 1.3.0.55.g101bc was discovered to contain a stack overflow via the function parse_expr1 at /nasm/nasm-parse.c. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Yasm

Affected Vendors

Yasm Project

References (6)

https://bugzilla.redhat.com/show_bug.cgi?id=2189601#c3
Exploit https://github.com/yasm/yasm/issues/217
Exploit https://github.com/z1r00/fuzz_vuln/blob/main/yasm/stack-overflow/parse_expr1/rea...
https://bugzilla.redhat.com/show_bug.cgi?id=2189601#c3
Exploit https://github.com/yasm/yasm/issues/217
Exploit https://github.com/z1r00/fuzz_vuln/blob/main/yasm/stack-overflow/parse_expr1/rea...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal