Perl
CVE-2020-14392
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Untrusted pointer prevention
|
| Impact | CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
An untrusted pointer dereference flaw was found in Perl-DBI < 1.643. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-822. An untrusted pointer dereference flaw was found in Perl-DBI < 1.643. A local attacker who is able to manipulate calls to dbd_db_login6_sv() could cause memory corruption, affecting the service's availability. Affected products include: Perl Database Interface, Canonical Ubuntu Linux, Opensuse Leap, Fedoraproject Fedora, Debian Debian Linux.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
An untrusted pointer dereference flaw was found in Perl-DBI < 1.643. A local attacker who is able to manipulate calls to dbd_db_login6_sv() could cause memory corruption, affecting the service's availability.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Affected Products (CPE)NVD
The _compile function in Maketext.pm in the Locale::Maketext implementation in Perl before 5.17.7 does not properly hand
Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before
The VDir::MapPathA and VDir::MapPathW functions in Perl 5.22 allow remote attackers to cause a denial of service (out-of
Perl before 5.26.3 has a buffer overflow via a crafted regular expression that triggers invalid write operations. Rated
Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid
Silently incorrect regular-expression matching in the Perl interpreter (all versions through 5.43.9) lets an oversized a
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive informa
Perl might allow context-dependent attackers to bypass the taint protection mechanism in a child process via duplicate e
CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS. Rated high severity (CVS
The XSLoader::load method in XSLoader in Perl does not properly locate .so files when called in a string eval, which mig
In Perl through 5.26.2, the Archive::Tar module allows remote attackers to bypass a directory-traversal protection mecha
Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers
GitHub PoC
Exploit-DB