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CVE-2018-16150

N/A
Published: November 7, 2018 at 08:00 PM UTC
Updated: June 17, 2026 at 01:43 AM UTC
1 product affected across 1 vendorAxtls

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Severity
N/A
Exploit prediction
EPSS 0.6%

Description

In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification does not reject excess data after the hash value. Consequently, a remote attacker can forge signatures when small public exponents are being used, which could lead to impersonation through fake X.509 certificates. This is a variant of CVE-2006-4340.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Axtls· Axtls Project
95%
v ≤ 2.1.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/igrr/axtls-8266/commit/5efe2947ab45e81d84b5f707c51d1c64be52f36c
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://sourceforge.net/p/axtls/mailman/message/36459928/

CVSS

4.3MEDIUM[email protected]
Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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