7.5

CVE-2019-20454

Exploit
An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Pcre ≫ Pcre2 Version >= 10.31 < 10.34
Fedoraproject ≫ Fedora Version31
Splunk ≫ Universal Forwarder Version >= 8.2.0 < 8.2.12
Splunk ≫ Universal Forwarder Version >= 9.0.0 < 9.0.6
Splunk ≫ Universal Forwarder Version9.1.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.56% 0.722
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
cve@mitre.org 5.1 1.4 3.6
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://bugs.exim.org/show_bug.cgi?id=2421
Third Party Advisory
Issue Tracking
Permissions Required
https://bugs.php.net/bug.php?id=78338
Third Party Advisory
Exploit
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1735494
Patch
Third Party Advisory
Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQRAHYHLRNMBTPR3KXVM27NSZP3KTOPI/
Third Party Advisory
Mailing List
https://security.gentoo.org/glsa/202006-16
Third Party Advisory
https://vcs.pcre.org/pcre2?view=revision&revision=1092
Patch
Broken Link