CVE-2024-30171
MEDIUM5.9EPSS 0.14%Bouncy Castle affected by timing side-channel for RSA key exchange ("The Marvin Attack")
Published: 5/14/2024Modified: 4/28/2026
Description
An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing.
Affected packages (11)
- Debian/bouncycastlefrom 0
- Maven/org.bouncycastle:bcprov-jdk14from 0, < 1.78
- Maven/org.bouncycastle:bcprov-jdk15onfrom 0, < 1.78
- Maven/org.bouncycastle:bcprov-jdk15to18from 0, < 1.78
- Maven/org.bouncycastle:bcprov-jdk18onfrom 0, < 1.78
- Maven/org.bouncycastle:bctls-fipsfrom 0, < 1.0.19
- Maven/org.bouncycastle:bctls-jdk14from 0, < 1.78
- Maven/org.bouncycastle:bctls-jdk15to18from 0, < 1.78
- Maven/org.bouncycastle:bctls-jdk18onfrom 0, < 1.78
- NuGet/BouncyCastlefrom 0
- NuGet/BouncyCastle.Cryptographyfrom 0, < 2.3.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2024-30171
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2024-30171
- WEBhttps://github.com/bcgit/bc-csharp/commit/c984b8bfd8544dfc55dba91a02cbbbb9c580c217
- WEBhttps://github.com/bcgit/bc-csharp/wiki/CVE%E2%80%902024%E2%80%9030171
- WEBhttps://github.com/bcgit/bc-java/commit/d7d5e735abd64bf0f413f54fd9e495fc02400fb0
- WEBhttps://github.com/bcgit/bc-java/commit/e0569dcb1dea9d421d84fc4c5c5688fe101afa2d
- WEBhttps://github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9030171
- WEBhttps://security.netapp.com/advisory/ntap-20240614-0008
- WEBhttps://www.bouncycastle.org/latest_releases.html