CVE-2018-12440: Infoleak
First published: Fri Jun 15 2018(Updated: )
BoringSSL through 2018-06-14 allows a memory-cache side-channel attack on DSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover a DSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| BoringSSL | <=2018-06-14 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-12440?
CVE-2018-12440 is considered a high severity vulnerability due to its potential to expose sensitive DSA keys.
How do I fix CVE-2018-12440?
To mitigate CVE-2018-12440, upgrade BoringSSL to a version released after June 14, 2018.
What kind of attack does CVE-2018-12440 facilitate?
CVE-2018-12440 enables a memory-cache side-channel attack targeting DSA signatures.
Is CVE-2018-12440 exploitable from the internet?
CVE-2018-12440 requires local access or access from a virtual machine on the same physical host, making it difficult to exploit remotely.
What is the impact of CVE-2018-12440 on system security?
The impact of CVE-2018-12440 is significant as it can lead to the unauthorized disclosure of DSA private keys.
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