Vulnerability Details CVE-2023-32691
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`.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.3%
CVSS Severity
CVSS v3 Score 5.9
References
- https://github.com/ginuerzh/gost/blob/1c62376e0880e4094bd3731e06bd4f7842638f6a/auth.go#L46
- https://github.com/ginuerzh/gost/security/advisories/GHSA-qjrq-hm79-49ww
- https://github.com/ginuerzh/gost/blob/1c62376e0880e4094bd3731e06bd4f7842638f6a/auth.go#L46
- https://github.com/ginuerzh/gost/security/advisories/GHSA-qjrq-hm79-49ww
Products affected by CVE-2023-32691
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.0
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.2
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.3
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.4
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.5
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.6
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.7
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:1.8
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.0
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.10.0
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.10.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.11.0
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.11.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.11.2
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.11.3
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.11.4
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.11.5
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.2
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.3
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.4
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.5
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.6
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.6.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.7.0
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.7.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.7.2
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.8.0
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.8.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.8.2
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.9.0
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.9.1
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cpe:2.3:a:go_simple_tunnel_project:go_simple_tunnel:2.9.2