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CVE-2024-3296— Rust-openssl: timing based side-channel can lead to a bleichenbacher style attack

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 8
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

rust-openssl是Rust的一个用于与 OpenSSL 库进行交互的库。 rust-openssl 存在安全漏洞，该漏洞源于存在基于定时的侧通道缺陷。

CVSS 5.9 · Medium EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2024-3296

Vulnerability Information
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Vulnerability Title
Rust-openssl: timing based side-channel can lead to a bleichenbacher style attack
Source: CVE Program / CVE List V5
Vulnerability Description
A timing-based side-channel flaw exists in the rust-openssl package, which could be sufficient to recover a plaintext across a network in a Bleichenbacher-style attack. To achieve successful decryption, an attacker would have to be able to send a large number of trial messages for decryption. The vulnerability affects the legacy PKCS#1v1.5 RSA encryption padding mode.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
rust-openssl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
rust-openssl是Rust的一个用于与 OpenSSL 库进行交互的库。 rust-openssl 存在安全漏洞，该漏洞源于存在基于定时的侧通道缺陷。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2024-3296

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III. Intelligence Information for CVE-2024-3296

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Vendor Advisories for CVE-2024-3296 (1)

IV. Related Vulnerabilities

Same weakness: CWE-208

V. Comments for CVE-2024-3296

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