CVE-2020-12723

CWE-120 — Classic Buffer OverflowCWE-20 — Improper Input ValidationCWE-18511 documents8 sources
Severity
7.5HIGH
EPSS
0.2%
top 59.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
14
Perl PerlOracle Communications Diameter Signaling RouterOracle Communications Eagle Application Processor+11 more
Timeline
PublishedJun 5
Latest updateOct 27

Description

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages15 packages

▶NVDperl/perl< 5.30.3
▶Debianperl< 5.30.3-1+3
▶Ubuntuperl< 5.22.1-9ubuntu0.9+3
▶NVDoracle/communications_lsms13.1 — 13.4

Also affects: Fedora 31

Patches

Patch: github.com ↗Patch: github.com ↗Patch: www.oracle.com ↗

🔴Vulnerability Details

3
OSV
CVE-2020-12723: regcomp↗2020-06-05
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CVEList
CVE-2020-12723: regcomp↗2020-06-05
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OSV
CVE-2020-12723: regcomp↗2020-06-01
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📋Vendor Advisories

5
Ubuntu
Perl vulnerabilities↗2020-10-27
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Ubuntu
Perl vulnerabilities↗2020-10-26
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Apple
CVE-2020-12723: macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra↗2020-07-15
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Red Hat
perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS↗2020-06-02
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Debian
CVE-2020-12723: perl - regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular e...↗2020
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💬Community

2
Bugzilla
CVE-2020-12723 perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS [fedora-all]↗2020-06-06
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Bugzilla
CVE-2020-12723 perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS↗2020-05-20
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