CVE-2022-25844 Regular Expression Denial of Service (ReDoS)
Attackers can cause denial of service in Angular applications by exploiting a Regular Expression Denial of Service vulnerability in number formatting.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-25844?
CVE-2022-25844 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 1 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The package angular after 1.7.0 are vulnerable to Regular Expression Denial of Service (ReDoS) by providing a custom locale rule that makes it possible to assign the parameter in posPre: ' '.repeat() of NUMBER_FORMATS.PATTERNS[1].posPre with a very high value. **Note:** 1) This package has been deprecated and is no longer maintained. 2) The vulnerable versions are 1.7.0 and higher.
Weakness: CWE-1333
Which versions are affected by CVE-2022-25844?
2 open source packages ship an affected version, including angular. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
angular npm | From 1.7.0 | None |
angular npm | From 1.7.0 | None |
Products include Angularjs Angularjs, Fedoraproject Fedora, Netapp Ontap Select Deploy Administration Utility.
How do I fix CVE-2022-25844?
Product is end of life, replace it.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-25844 being exploited?
There is no known exploitation of CVE-2022-25844 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
- CVE-2019-10768 angular Prototype Pollution vulnerability
- CVE-2019-14863 AngularJS Cross-site Scripting due to failure to sanitize `xlink.href` attributes
- CVE-2020-7676 Angular vulnerable to Cross-site Scripting
- CVE-2023-26116 angular vulnerable to regular expression denial of service via the angular.copy() utility
- CVE-2023-26117 angular vulnerable to regular expression denial of service via the $resource service
Sources
Also known as CLSA-2026-1774052351, DEBIAN-CVE-2022-25844, GHSA-m2h2-264f-f486, MGASA-2023-0215, MINI-hc56-pmhp-686v, ROOT-APP-NPM-CVE-2022-25844 and 1 more.