CVE-2020-10543

CWE-190 — Integer OverflowCWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer Overflow15 documents9 sources
Severity
8.2HIGH
EPSS
4.3%
top 11.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
15
Perl PerlOracle Communications Diameter Signaling RouterOracle Communications Eagle Application Processor+12 more
Timeline
PublishedJun 5
Latest updateOct 15

Description

Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HExploitability: 3.9 | Impact: 4.2

Affected Packages16 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: www.oracle.com ↗Patch: www.oracle.com ↗

🔴Vulnerability Details

5
OSV
perl vulnerabilities↗2020-10-27
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OSV
perl vulnerabilities↗2020-10-26
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OSV
CVE-2020-10543: Perl before 5↗2020-06-05
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CVEList
CVE-2020-10543: Perl before 5↗2020-06-05
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OSV
CVE-2020-10543: Perl before 5↗2020-06-01
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📋Vendor Advisories

6
Oracle
Oracle Oracle Communications Risk Matrix: Realtime db (Perl) — CVE-2020-10543↗2021-10-15
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Oracle
Oracle Oracle Communications Risk Matrix: Publications (Perl) — CVE-2020-10543↗2021-07-15
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Ubuntu
Perl vulnerabilities↗2020-10-27
▶
Ubuntu
Perl vulnerabilities↗2020-10-26
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Red Hat
perl: heap-based buffer overflow in regular expression compiler leads to DoS↗2020-06-02
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💬Community

3
HackerOne
[CVE-2020-10543] Buffer overflow caused by a crafted regular expression↗2020-11-09
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Bugzilla
CVE-2020-10543 perl: heap-based buffer overflow in regular expression compiler leads to DoS [fedora-all]↗2020-06-06
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Bugzilla
CVE-2020-10543 perl: heap-based buffer overflow in regular expression compiler leads to DoS↗2020-05-20
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