Critical severity · published Feb 22, 2019
CVE-2019-9023
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1
9.8
CVSS
9.3%
EPSS
No
On KEV
Description
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.3% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
before 5.6.40; 7.0.0 before 7.1.26; 7.2.0 before 7.2.14; 7.3.0 before 7.3.1 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
LE
Leap · Opensuse
42.3 · source: NVD
SA
Storage Automation Store · Netapp
All versions, or not specified · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-9023
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-9023
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
Third Party Advisory
http://www.securityfocus.com/bid/107156
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2519
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