hledger up to 1.22 toBloodhoundJson cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.21

A vulnerability, which was classified as problematic, was found in hledger up to 1.22. Affected is the function toBloodhoundJson. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

An issue was discovered in hledger before 1.23. A Stored Cross-Site Scripting (XSS) vulnerability exists in toBloodhoundJson that allows an attacker to execute JavaScript by encoding user-controlled values in a payload with base64 and parsing them with the atob function.

The weakness was published 05/22/2023 as 1525. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-46888 since 05/21/2023. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 1.23 eliminates this vulnerability. The upgrade is hosted for download at github.com. 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.

Productinfo

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

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: hledger 1.23
Patch: github.com

Timelineinfo

05/21/2023 CVE reserved
05/22/2023 +1 days Advisory disclosed
05/22/2023 +0 days VulDB entry created
05/22/2023 +0 days VulDB last update

Sourcesinfo

Advisory: 1525
Status: Confirmed

CVE: CVE-2021-46888 (🔒)

Entryinfo

Created: 05/22/2023 07:04 AM
Changes: 05/22/2023 07:04 AM (43)
Complete: 🔍

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