7.5high

CVE-2017-8929

The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.8%
percentile 79%
Public exploits
0
none known

Summary

The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule.

Exploit prediction (EPSS)

1.81% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • github.com /VirusTotal/yara/issues/658 · x_refsource_CONFIRM, x_transferred
  • github.com /VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.