CVE-2020-14393: debian debian_linux Stack-based Buffer Overflow
CVSS: 7.1v3.1HighModified
AliasesALPINE-CVE-2020-14393UBUNTU-CVE-2020-14393DEBIAN-CVE-2020-14393
Published 16-09-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-14393 is a high (CVSS 7.1) Stack-based Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.2% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.61%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 9Timeline
- 16-09-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Low 3.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 21-09-2026
21-09-202621-10-2026
EPSS score0.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian2 products
- libdbi-perl< 1.643-1
- debian_linuxEOL9.0
Alpine1 product
- perl-dbi< 1.643-r0
Fedoraproject1 product
- fedoraEOL31
Opensuse1 product
- leapEOL15.2
Perl1 product
- database_interface< 1.643
Ubuntu1 product
- libdbi-perlAll versions (No fix recorded) | < 1.634-1ubuntu0.2+esm1 | < 1.640-1ubuntu0.3
6 vendors · 7 products
References
12 links- lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.htmlVendor AdvisoryX Refsource SUSEBroken Link
lists.debian.org/debian-lts-announce/2020/09/msg00026.htmlMailing ListX Refsource MLISTThird Party Advisory