Shescape is a shell escape package for JavaScript. An Inefficient Regular Expression Complexity vulnerability impacts users that use Shescape to escape arguments for the Unix shells `Bash` and `Dash`, or any not-officially-supported Unix shell; and/or using the `escape` or `escapeAll` functions with the `interpolation` option set to `true`. An attacker can cause polynomial backtracking or quadratic runtime in terms of the input string length due to two Regular Expressions in Shescape that are vulnerable to Regular Expression Denial of Service (ReDoS). This bug has been patched in v1.5.10. For `Dash` only, this bug has been patched since v1.5.9. As a workaround, a maximum length can be enforced on input strings to Shescape to reduce the impact of the vulnerability. It is not recommended to try and detect vulnerable input strings, as the logic for this may end up being vulnerable to ReDoS itself.
References
Link Resource
https://github.com/ericcornelissen/shescape/pull/373 Issue Tracking Patch Third Party Advisory
https://github.com/ericcornelissen/shescape/releases/tag/v1.5.10 Release Notes Third Party Advisory
https://github.com/ericcornelissen/shescape/security/advisories/GHSA-gp75-h7j6-5pv3 Exploit Issue Tracking Mitigation Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: GitHub_M

Published: 2022-09-06T20:55:10

Updated: 2022-09-06T20:55:10

Reserved: 2022-07-15T00:00:00


Link: CVE-2022-36064

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2022-09-06T21:15:08.697

Modified: 2023-07-21T20:52:48.920


Link: CVE-2022-36064

JSON object: View

cve-icon Redhat Information

No data.