Vulnerability · Published Jun 5, 2020 · Assigned by mitre
CVE-2020-10543
High 8.2
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 11.3% (higher than 96% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.2High
Exploit odds (30 days)11.3%top 4.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | perl | 5.30.3-r0 | ALPINE-CVE-2020-10543 |
| Alpine:v3.21 | perl | 5.30.3-r0 | ALPINE-CVE-2020-10543 |
| Alpine:v3.22 | perl | 5.30.3-r0 | ALPINE-CVE-2020-10543 |
| Alpine:v3.23 | perl | 5.30.3-r0 | ALPINE-CVE-2020-10543 |
| Alpine:v3.24 | perl | 5.30.3-r0 | ALPINE-CVE-2020-10543 |
| Debian:12 | perl | 5.30.3-1 | DEBIAN-CVE-2020-10543 |
| Debian:13 | perl | 5.30.3-1 | DEBIAN-CVE-2020-10543 |
| Debian:14 | perl | 5.30.3-1 | DEBIAN-CVE-2020-10543 |
| Rocky Linux:8 | perl | 4:5.26.3-419.el8 | RLSA-2021:1678 |
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/commit/897d1f7fd515b828e4b198d8b8bef76c6faf03ed x_refsource_CONFIRM
- 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://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