There's an input validation flaw in golang.org/x/crypto's readCipherPacket() function. An unauthenticated attacker who sends an empty plaintext packet to a program linked with golang.org/x/crypto/ssh could cause a panic, potentially leading to denial of service.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2021-43565 - High Severity Vulnerability
Vulnerable Library - github.com/miekg/DNS-v1.0.0
DNS library in Go
Library home page: https://proxy.golang.org/github.com/miekg/dns/@v/v1.0.0.zip
Dependency Hierarchy: - :x: **github.com/miekg/DNS-v1.0.0** (Vulnerable Library)
Found in HEAD commit: 27377d4ea18db54381a8dc972091f3c342337ec9
Found in base branch: master
Vulnerability Details
There's an input validation flaw in golang.org/x/crypto's readCipherPacket() function. An unauthenticated attacker who sends an empty plaintext packet to a program linked with golang.org/x/crypto/ssh could cause a panic, potentially leading to denial of service.
Publish Date: 2021-11-10
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 Fix
Type: 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
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