Buffer overflow in Perl Database Interface
CVE-2020-14393
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Perl Database Interface
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 31
- openSUSE Leap — versions 15.2
- Perl-Dbi — versions perl-DBI before version 1.643
Weakness classification (CWE)
Public proof-of-concept exploits
References
- metacpan.org/pod/distribution/DBI/Changes (Third Party Advisory, Release Notes)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html (vendor-advisory, Broken Link)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2020/09/msg00026.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14393?
- CVE-2020-14393 is a high-severity vulnerability in Perl Database Interface, classified under Stack-based Buffer Overflow. CVSS score: 7.1/10. Published 2020-09-16.
- How severe is CVE-2020-14393?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2020-14393 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.