CVE-2024-28988

SolarWinds Web Help Desk was found to be susceptible to a Java Deserialization Remote Code Execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. This vulnerability was found by the ZDI team after researching a previous vulnerability and providing this report. The ZDI team was able to discover an unauthenticated attack during their research. 

We recommend all Web Help Desk customers apply the patch, which is now available. 

We thank Trend Micro Zero Day Initiative (ZDI) for its ongoing partnership in coordinating with SolarWinds on responsible disclosure of this and other potential vulnerabilities.

Weakness

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Potential Mitigations

• Make fields transient to protect them from deserialization.
• An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/586.html

References

• https://support.solarwinds.com/SuccessCenter/s/article/WHD-12-8-3-Hotfix-3
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2024-28988