Mojolicious Module up to 8.64 on Perl secure_compare timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mojolicious Module up to 8.64 on Perl. Impacted is the function secure_compare. Executing a manipulation can lead to timing discrepancy. This vulnerability is registered as CVE-2020-36829. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Mojolicious Module up to 8.64 on Perl. This vulnerability affects the function secure_compare. The manipulation with an unknown input leads to a timing discrepancy vulnerability. The CWE definition for the vulnerability is CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. As an impact it is known to affect confidentiality. CVE summarizes:

The Mojolicious module before 8.65 for Perl is vulnerable to secure_compare timing attacks that allow an attacker to guess the length of a secret string. Only versions after 1.74 are affected.

The advisory is shared for download at github.com. This vulnerability was named CVE-2020-36829 since 04/07/2024. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 8.65 eliminates this vulnerability. Applying a patch 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Mojolicious Module 8.65
Patch: github.com

Timelineinfo

04/07/2024 🔍
04/08/2024 +1 days 🔍
04/08/2024 +0 days 🔍
08/26/2024 +140 days 🔍

Sourcesinfo

Advisory: 1599
Status: Confirmed

CVE: CVE-2020-36829 (🔍)
GCVE (CVE): GCVE-0-2020-36829
GCVE (VulDB): GCVE-100-259660

Entryinfo

Created: 04/08/2024 07:44
Updated: 08/26/2024 23:21
Changes: 04/08/2024 07:44 (55), 06/30/2024 13:52 (1), 08/26/2024 23:21 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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