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CVE-2019-19204

Good to know:

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Date: November 21, 2019

An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.

Language: C

Severity Score

Related Resources (15)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19204
https://nvd.nist.gov/vuln/detail/CVE-2019-19204
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
https://security-tracker.debian.org/tracker/CVE-2019-19204
https://github.com/ManhNDd/CVE-2019-19204
https://github.com/tarantula-team/CVE-2019-19204
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
https://github.com/kkos/oniguruma/issues/162
https://usn.ubuntu.com/4460-1/
https://access.redhat.com/security/cve/CVE-2019-19204
https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2
https://www.mend.io/vulnerability-database/CVE-2019-19204

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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