Several vulnerabilities have been discovered in Splunk Enterprise Security and Splunk User Behavior Analytics (UBA), which existed in several third-party packages.
The third-party package includes Splunk, which includes babel/traverse, handsontable, semver, loader-utils, json5, socket.io-parser, protobuf, and Guava.
However, Splunk has acted swiftly upon these vulnerabilities and patched them accordingly. The severity for these vulnerabilities ranges between 7.1 (High) and 9.8 (Critical).
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Technical Analysis
According to the reports shared with Cyber Security News, there were 13 vulnerabilities patched as per Splunk’s security advisories.
protobuf package had the highest number of vulnerabilities at 4 compared to other packages.
The CVEs were CVE-2015-5237 (8.8), CVE-2022-3171 (7.5), CVE-2022-3509 (7.5), CVE-2022-3510 (7.5). With 3 vulnerabilities, loader-utils became the second package with the highest number of vulnerabilities with one critical vulnerability.
The CVEs of loader-utils package vulnerabilities were CVE-2022-37599 (7.5), CVE-2022-37603 (7.5), and CVE-2022-37601 (9.8).
Other third-party packages like babel/traverse, handsontable, semver, json5, socket.io-parser, and Guava had one high severity vulnerability each. The CVEs were as follows.
- babel/traverse (CVE-2023-45133 – 8.8)
- handsontable (CVE-2021-23446 – 7.5)
- semver (CVE-2022-25883 – 7.5)
- json5 (CVE-2022-46175 – 8.8)
- socket.io-parser (CVE-2023-32695 – 7.5)
- Guava (CVE-2023-2976 – 7.1)
Affected Products and Fixed in Version
| Product | Version | Component | Affected Version | Fix Version |
| Splunk Enterprise Security (ES) | 7.3 | – | – | 7.3.0 |
| Splunk Enterprise Security (ES) | 7.2 | – | – | 7.2.0 |
| Splunk Enterprise Security (ES) | 7.1 | – | Below 7.1.2 | 7.1.2 |
| Splunk User Behavior Analytics (UBA) | – | – | Below 5.3.0 | 5.3.0 |
| Splunk User Behavior Analytics (UBA) | – | – | Below 5.2.1 | 5.2.1 |
It is recommended for users of these products to upgrade to the mentioned versions or higher to prevent these vulnerabilities from getting exploited by threat actors.
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