In short
- CVE-2018-8023 is a MEDIUM (CVSS 5.9) vulnerability affecting org.apache.mesos:mesos, mesos (apache).
- Chance of exploitation in the next 30 days (EPSS): 3.1%, higher than 87.6% of all vulnerabilities.
- Fix: update to 1.5.2, 1.6.1, 1.4.2 or later.
| Package | Affected versions | Patched versions |
|---|
| org.apache.mesos:mesos Maven | ≥ 1.5.0, < 1.5.2≥ 1.6.0, < 1.6.1< 1.4.2
| 1.5.21.6.11.4.2
|
| mesos | = 1.5.0= 1.5.1= 1.6.0< 1.4.2
| 1.4.2
|
Description
Apache Mesos can be configured to require authentication to call the Executor HTTP API using JSON Web Token (JWT). In Apache Mesos versions pre-1.4.2, 1.5.0, 1.5.1, 1.6.0 the comparison of the generated HMAC value against the provided signature in the JWT implementation used is vulnerable to a timing attack because instead of a constant-time string comparison routine a standard == operator has been used. A malicious actor can therefore abuse the timing difference of when the JWT validation function returns to reveal the correct HMAC value.
NVD description
Apache Mesos can be configured to require authentication to call the Executor HTTP API using JSON Web Token (JWT). In Apache Mesos versions pre-1.4.2, 1.5.0, 1.5.1, 1.6.0 the comparison of the generated HMAC value against the provided signature in the JWT implementation used is vulnerable to a timing attack because instead of a constant-time string comparison routine a standard `==` operator has been used. A malicious actor can therefore abuse the timing difference of when the JWT validation function returns to reveal the correct HMAC value.
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