CVE-2017-20230

Published: Apr 21, 2026 Last Modified: Apr 22, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 10,0
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

Storable versions before 3.05 for Perl has a stack overflow.

The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0003
Percentile
0,1th
Updated

EPSS Score Trend (Last 3 Days)

121

Stack-based Buffer Overflow

Draft
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality Access Control Other
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Execute Unauthorized Code Or Commands Bypass Protection Mechanism Other
Applicable Platforms
Languages: C, C++, Memory-Unsafe
View CWE Details
Application

Storable by Nwclark

Version Range Affected
To 3.05 (exclusive)
cpe:2.3:a:nwclark:storable:*:*:*:*:*:perl:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.p…
https://github.com/Perl/perl5/issues/15831
https://metacpan.org/release/RURBAN/Storable-3.05/changes
https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html
https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html
http://www.openwall.com/lists/oss-security/2026/04/21/5