CVE-2019-19012

Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 16 Nov 2019, 15:30
Last modified:05 Aug 2024, 02:02

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
14.78% MEDIUM
15% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

16 Nov 2019, 15:30
Published
Vulnerability first disclosed
05 Aug 2024, 02:02
Last Modified
Vulnerability information updated

Description

An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 14.78%• Percentile: 95%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

  • CWE-190•Integer Overflow or Wraparound

    The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

Affected Systems

  • debian•debian_linux

    8.0

  • fedoraproject•fedora

    30 | 31

  • oniguruma_project•oniguruma

    ≥ 6.0.0, ≤ 6.9.3 | 6.9.4:rc1

  • redhat•enterprise_linux

    8.0

References (7)