CVE-2019-19012
CRITICAL severity · CVSS 9.8 · Out-of-bounds read
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)11%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/kkos/oniguruma/issues/164 ↗
Additional information
- NVD record
- https://github.com/kkos/oniguruma/issues/164Patch
- https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00002.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
- https://usn.ubuntu.com/4460-1/
- https://github.com/tarantula-team/CVE-2019-19012Advisory