CVE-2023-40857 — Out-of-bounds Write in Yara

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer5 documents5 sources
Severity
8.8HIGHNVD
EPSS
2.5%
top 14.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Virustotal Yara
Timeline
PublishedAug 28
Latest updateAug 29

Description

Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages1 packages

▶NVDvirustotal/yara4.3.2

🔴Vulnerability Details

3
GHSA
GHSA-wr74-v8h4-7w2f: Buffer Overflow vulnerability in VirusTotal yara v↗2023-08-29
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CVEList
CVE-2023-40857: Buffer Overflow vulnerability in VirusTotal yara v↗2023-08-28
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OSV
CVE-2023-40857: Buffer Overflow vulnerability in VirusTotal yara v↗2023-08-28
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📋Vendor Advisories

1
Red Hat
yara: buffer overflow that allows a remote attacker to execute arbtirary code via the yr_execute_cod function↗2023-08-29
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