Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-20838

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

Published

2020-06-15T17:15:09.683

Last Modified

2024-11-21T04:39:29.857

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	pcre	pcre	< 8.43	Yes
Operating System	apple	macos	< 11.0.1	Yes
Application	splunk	universal_forwarder	< 8.2.12	Yes
Application	splunk	universal_forwarder	< 9.0.6	Yes
Application	splunk	universal_forwarder	9.1.0	Yes

References

http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Feb/14 Mailing List, Third Party Advisory ([email protected])
https://bugs.gentoo.org/717920 Issue Tracking, Patch, Third Party Advisory, VDB Entry ([email protected])
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E Mailing List, Third Party Advisory ([email protected])
https://support.apple.com/kb/HT211931 Vendor Advisory ([email protected])
https://support.apple.com/kb/HT212147 Vendor Advisory ([email protected])
https://www.pcre.org/original/changelog.txt Release Notes, Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Feb/14 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.gentoo.org/717920 Issue Tracking, Patch, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT211931 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212147 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.pcre.org/original/changelog.txt Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)