CVE-2024-23170
First published: Wed Jan 31 2024(Updated: )
An issue was discovered in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2. There was a timing side channel in RSA private operations. This side channel could be sufficient for a local attacker to recover the plaintext. It requires the attacker to send a large number of messages for decryption, as described in "Everlasting ROBOT: the Marvin Attack" by Hubert Kario.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| mbed TLS | >=2.0.0<2.28.7 | |
| mbed TLS | >=3.0.0<3.5.2 |
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Reference Links
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IIBPEYSVRK4IFLBSYJAWKH33YBNH5HR2/
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GP5UU7Z6LJNBLBT4SC5WWS2HDNMTFZH5/
Frequently Asked Questions
What is the severity of CVE-2024-23170?
CVE-2024-23170 is classified as a high severity vulnerability due to its potential for enabling plaintext recovery through a timing side channel.
How do I fix CVE-2024-23170?
To fix CVE-2024-23170, upgrade Mbed TLS to versions 2.28.7 or 3.5.2 or later.
Which versions of Mbed TLS are affected by CVE-2024-23170?
CVE-2024-23170 affects Mbed TLS versions before 2.28.7 and 3.x versions before 3.5.2.
Can CVE-2024-23170 be exploited remotely?
No, CVE-2024-23170 requires a local attacker to exploit the vulnerability through sending numerous decryption requests.
What are the consequences of exploiting CVE-2024-23170?
Exploiting CVE-2024-23170 could allow a local attacker to recover sensitive plaintext information from RSA private operations.
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