🛡️ OESA-2025-1287 — compat-openssl11 (CVE-2024-13176)

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

compat-openssl11 security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.

Security Fix(es):

Issue summary: A timing side-channel which could potentially allow recovering

the private key exists in the ECDSA signature computation.

Impact summary: A timing side-channel in ECDSA signature computations

could allow recovering the private key by an attacker. However, measuring

the timing would require either local access to the signing application or

a very fast network connection with low latency.

There is a timing signal of around 300 nanoseconds when the top word of

the inverted ECDSA nonce value is zero. This can happen with significant

probability only for some of the supported elliptic curves. In particular

the NIST P-521 curve is affected. To be able to measure this leak, the attacker

process must either be located in the same physical computer or must

have a very fast network connection with low latency. For that reason

the severity of this vulnerability is Low.(CVE-2024-13176)

How this vulnerability can be exploited

This issue can be reached with physical access to the device, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Affected software

OESA-2025-1287 is recorded against 1 package.

  • compat-openssl11 (fixed in 1.1.1m-13.oe2403sp1)

Timeline and source

Published on 14 March 2025 and last revised on 18 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.openeuler.org (Advisory)
nvd.nist.gov (Advisory)

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-03-14
Updated 2026-08-20
Modified 2026-08-18
Fix URL N/A

Affected Packages

Software From version Fixed in
compat-openssl11 — 1.1.1m-13.oe2403sp1

Similar Threats

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