The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.
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CVE-2021-43565
### Vulnerable Library - golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871
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CVE-2022-30636
### Vulnerable Library - golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871
httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator (\ vs. /), allowing a user to provide a relative path, i.e. .well-known/acme-challenge/..\..\asd becomes ..\..\asd. The extracted path is then suffixed with +http-01, joined with the cache directory, and opened. Since the controlled path is suffixed with +http-01 before opening, the impact of this is significantly limited, since it only allows reading arbitrary files on the system if and only if they have this suffix.
Library home page: https://proxy.golang.org/golang.org/x/crypto/@v/v0.0.0-20211117183948-ae814b36b871.zip
Path to dependency file: /go.mod
Path to vulnerable library: /go.mod
Found in HEAD commit: fd9fc1baf3cd86beecdfe1d4b962b3e768b4ff92
Vulnerabilities
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Details
CVE-2022-27191
### Vulnerable Library - golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871Library home page: https://proxy.golang.org/golang.org/x/crypto/@v/v0.0.0-20211117183948-ae814b36b871.zip
Path to dependency file: /go.mod
Path to vulnerable library: /go.mod
Dependency Hierarchy: - :x: **golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871** (Vulnerable Library)
Found in HEAD commit: fd9fc1baf3cd86beecdfe1d4b962b3e768b4ff92
Found in base branch: master
### Vulnerability DetailsThe golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.
Publish Date: 2022-03-18
URL: CVE-2022-27191
### CVSS 3 Score Details (7.5)Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here. ### Suggested FixType: Upgrade version
Origin: https://nvd.nist.gov/vuln/detail/CVE-2022-27191
Release Date: 2022-03-18
Fix Resolution: golang-golang-x-crypto-dev - 1:0.0~git20220315.3147a52-1;golang-go.crypto-dev - 1:0.0~git20220315.3147a52-1
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.
CVE-2021-43565
### Vulnerable Library - golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871Library home page: https://proxy.golang.org/golang.org/x/crypto/@v/v0.0.0-20211117183948-ae814b36b871.zip
Path to dependency file: /go.mod
Path to vulnerable library: /go.mod
Dependency Hierarchy: - :x: **golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871** (Vulnerable Library)
Found in HEAD commit: fd9fc1baf3cd86beecdfe1d4b962b3e768b4ff92
Found in base branch: master
### Vulnerability DetailsThe x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.
Publish Date: 2022-09-06
URL: CVE-2021-43565
### CVSS 3 Score Details (7.5)Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here. ### Suggested FixType: Upgrade version
Origin: https://nvd.nist.gov/vuln/detail/CVE-2021-43565
Release Date: 2021-11-10
Fix Resolution: golang-golang-x-crypto-dev - 1:0.0~git20211202.5770296-1;golang-go.crypto-dev - 1:0.0~git20211202.5770296-1
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.
CVE-2022-30636
### Vulnerable Library - golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871Library home page: https://proxy.golang.org/golang.org/x/crypto/@v/v0.0.0-20211117183948-ae814b36b871.zip
Path to dependency file: /go.mod
Path to vulnerable library: /go.mod
Dependency Hierarchy: - :x: **golang.org/x/crypto-v0.0.0-20211117183948-ae814b36b871** (Vulnerable Library)
Found in HEAD commit: fd9fc1baf3cd86beecdfe1d4b962b3e768b4ff92
Found in base branch: master
### Vulnerability DetailshttpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator (\ vs. /), allowing a user to provide a relative path, i.e. .well-known/acme-challenge/..\..\asd becomes ..\..\asd. The extracted path is then suffixed with +http-01, joined with the cache directory, and opened. Since the controlled path is suffixed with +http-01 before opening, the impact of this is significantly limited, since it only allows reading arbitrary files on the system if and only if they have this suffix.
Publish Date: 2024-07-02
URL: CVE-2022-30636
### CVSS 3 Score Details (5.3)Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: None - Availability Impact: None
For more information on CVSS3 Scores, click here. ### Suggested FixType: Upgrade version
Origin: https://www.cve.org/CVERecord?id=CVE-2022-30636
Release Date: 2024-07-02
Fix Resolution: github.com/golang/crypto-v0.1.0
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.:rescue_worker_helmet:Automatic Remediation will be attempted for this issue.