DBI Module up to 1.642 on Perl hv_fetch return value

Summaryinfo

A vulnerability has been found in DBI Module up to 1.642 on Perl and classified as problematic. This vulnerability affects the function hv_fetch. This manipulation causes return value. This vulnerability is registered as CVE-2019-20919. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in DBI Module up to 1.642 on Perl. It has been declared as problematic. Affected by this vulnerability is the function hv_fetch. The manipulation with an unknown input leads to a return value vulnerability. The CWE definition for the vulnerability is CWE-252. The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.

The weakness was published 09/17/2020. This vulnerability is known as CVE-2019-20919 since 09/17/2020. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.643 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• DBI Module

Version

• 1.642

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CPE 2.2info

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