In short
- CVE-2023-23925 is a HIGH (CVSS 7.5) vulnerability affecting switcher client (switcherapi), switcher-client.
- Chance of exploitation in the next 30 days (EPSS): 0.54%, higher than 45.7% of all vulnerabilities.
- Fix: update to 3.1.4 or later.
Description
Impact
Unsanitized input flows into Strategy match operation (EXIST), where it is used to build a regular expression. This may result in a Regular expression Denial of Service attack (reDOS).
Patches
Patched in 3.1.4
Workarounds
Avoid using Strategy settings that use REGEX in conjunction with EXIST and NOT_EXIST operations.
NVD description
Switcher Client is a JavaScript SDK to work with Switcher API which is cloud-based Feature Flag. Unsanitized input flows into Strategy match operation (EXIST), where it is used to build a regular expression. This may result in a Regular expression Denial of Service attack (reDOS). This issue has been patched in version 3.1.4. As a workaround, avoid using Strategy settings that use REGEX in conjunction with EXIST and NOT_EXIST operations.
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