Vulnerability · Published Jun 5, 2020 · Assigned by mitre
CVE-2020-12723
High 7.5
In plain English
A high-severity security flaw in the perl package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.0% (higher than 93% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)6.0%top 6.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | perl | 5.30.3-r0 | ALPINE-CVE-2020-12723 |
| Alpine:v3.21 | perl | 5.30.3-r0 | ALPINE-CVE-2020-12723 |
| Alpine:v3.22 | perl | 5.30.3-r0 | ALPINE-CVE-2020-12723 |
| Alpine:v3.23 | perl | 5.30.3-r0 | ALPINE-CVE-2020-12723 |
| Alpine:v3.24 | perl | 5.30.3-r0 | ALPINE-CVE-2020-12723 |
| Debian:12 | perl | 5.30.3-1 | DEBIAN-CVE-2020-12723 |
| Debian:13 | perl | 5.30.3-1 | DEBIAN-CVE-2020-12723 |
| Debian:14 | perl | 5.30.3-1 | DEBIAN-CVE-2020-12723 |
Affected products (as reported)
References
- GLSA-202006-03 vendor-advisory, x_refsource_GENTOO
- FEDORA-2020-fd73c08076 vendor-advisory, x_refsource_FEDORA
- openSUSE-SU-2020:0850 vendor-advisory, x_refsource_SUSE
- https://www.oracle.com/security-alerts/cpuoct2020.html x_refsource_MISC
- https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3 x_refsource_CONFIRM
- https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20200611-0001/ x_refsource_CONFIRM
- https://github.com/Perl/perl5/issues/16947 x_refsource_MISC
- https://github.com/Perl/perl5/issues/17743 x_refsource_MISC
- https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a x_refsource_CONFIRM
- https://www.oracle.com/security-alerts/cpujan2021.html x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
- https://www.oracle.com//security-alerts/cpujul2021.html x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujan2022.html x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html