Vulnerability Monitor

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CVE-2019-19204

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.

Published

2019-11-21T21:15:11.577

Last Modified

2024-11-21T04:34:19.407

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	oniguruma_project	oniguruma	< 6.9.4	Yes
Application	oniguruma_project	oniguruma	6.9.4	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	fedoraproject	fedora	30	Yes
Operating System	fedoraproject	fedora	31	Yes

References

https://github.com/ManhNDd/CVE-2019-19204 Exploit, Third Party Advisory ([email protected])
https://github.com/kkos/oniguruma/issues/162 Exploit, Patch, Third Party Advisory ([email protected])
https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 Release Notes ([email protected])
https://github.com/tarantula-team/CVE-2019-19204 Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ ([email protected])
https://usn.ubuntu.com/4460-1/ ([email protected])
https://github.com/ManhNDd/CVE-2019-19204 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/kkos/oniguruma/issues/162 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/tarantula-team/CVE-2019-19204 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4460-1/ (af854a3a-2127-422b-91ae-364da2661108)