7.1high

CVE-2017-9465

The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.2%
percentile 68%
Public exploits
0
none known

Summary

The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.

Exploit prediction (EPSS)

1.18% probability of exploitation in the next 30 days, higher than 68% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.1CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
NVD2.05.8AV:N/AC:M/Au:N/C:P/I:N/A:P

Classification

Weakness

References

  • github.com /VirusTotal/yara/issues/678 · x_refsource_CONFIRM, x_transferred
  • github.com /VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661 · 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.