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CVE-2023-32691

nvd nist
Published: May 30, 2023Modified: Jun 17, 2026

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5.9
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability: 2.2 / Impact: 3.6
Source: NVD

Description

gost (GO Simple Tunnel) is a simple tunnel written in golang. Sensitive secrets such as passwords, token and API keys should be compared only using a constant-time comparison function. Untrusted input, sourced from a HTTP header, is compared directly with a secret. Since this comparison is not secure, an attacker can mount a side-channel timing attack to guess the password. As a workaround, this can be easily fixed using a constant time comparing function such as `crypto/subtle`'s `ConstantTimeCompare`.

Affected (1)

Go Simple Tunnel
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Up to 2.11.5

References (4)

Source: security-advisories@github.com
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitVendor Advisory

Timeline

No history available yet.