Vulnerability Report

CVE-2019-19012

Title: Oniguruma Project Oniguruma Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2019-19012

CWE Category CWE-125
Published Date Nov 17, 2019
Modified Date Nov 21, 2024
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
14.78%

Vulnerability Summary

CVE-2019-19012: 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.

Impacted Vendors

O
oniguruma_project 1

Reference Links

https://github.com/kkos/oniguruma/issues/164 https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 https://github.com/tarantula-team/CVE-2019-19012 https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html 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/kkos/oniguruma/issues/164 https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 https://github.com/tarantula-team/CVE-2019-19012 https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html 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/
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-19012 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/ManhNDd/CVE-2019-19012
View Code
GitHub https://github.com/tarantula-team/CVE-2019-19012
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.