NWCLARK Storable up to 3.04 on Perl retrieve_hook stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in NWCLARK Storable up to 3.04 on Perl. It has been declared as critical. This vulnerability affects the function retrieve_hook. Executing a manipulation can lead to stack-based overflow. The identification of this vulnerability is CVE-2017-20230. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in NWCLARK Storable up to 3.04 on Perl. It has been declared as critical. This vulnerability affects the function retrieve_hook. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A 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). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2017-20230 since 03/28/2026. The exploitation appears to be easy. There are known technical details, but no exploit is available.

Upgrading to version 3.05 eliminates this vulnerability. Applying the patch a258c17c6937f79529c8319a829310e09cdbd216 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Storable 3.05
Patch: a258c17c6937f79529c8319a829310e09cdbd216

Timelineinfo

03/28/2026 CVE reserved
04/21/2026 +23 days Advisory disclosed
04/21/2026 +0 days VulDB entry created
04/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 15831
Status: Confirmed

CVE: CVE-2017-20230 (🔒)
GCVE (CVE): GCVE-0-2017-20230
GCVE (VulDB): GCVE-100-358504

Entryinfo

Created: 04/21/2026 18:21
Changes: 04/21/2026 18:21 (59)
Complete: 🔍
Cache ID: 216::103

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