Vulnerability · Published Sep 16, 2020 · Assigned by redhat
CVE-2020-14393
High 7.1
In plain English
A high-severity stack buffer overflow in perl-dbi. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.6%top 50.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | perl-dbi | 1.643-r0 | ALPINE-CVE-2020-14393 |
| Alpine:v3.21 | perl-dbi | 1.643-r0 | ALPINE-CVE-2020-14393 |
| Alpine:v3.22 | perl-dbi | 1.643-r0 | ALPINE-CVE-2020-14393 |
| Alpine:v3.23 | perl-dbi | 1.643-r0 | ALPINE-CVE-2020-14393 |
| Alpine:v3.24 | perl-dbi | 1.643-r0 | ALPINE-CVE-2020-14393 |
| Debian:12 | libdbi-perl | 1.643-1 | DEBIAN-CVE-2020-14393 |
| Debian:13 | libdbi-perl | 1.643-1 | DEBIAN-CVE-2020-14393 |
| Debian:14 | libdbi-perl | 1.643-1 | DEBIAN-CVE-2020-14393 |
Affected products (as reported)
Weakness: CWE-121
References
- https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643 x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1877409 x_refsource_MISC
- openSUSE-SU-2020:1483 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1502 vendor-advisory, x_refsource_SUSE
- FEDORA-2020-f30298614a vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2386-1] libdbi-perl security update mailing-list, x_refsource_MLIST