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CVE-2023-34758

Good to know:

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Date: August 27, 2023

Sliver from v1.5.x to v1.5.39 has an improper cryptographic implementation, which allows attackers to execute a man-in-the-middle attack via intercepted and crafted responses.

Language: Go

Severity Score

Related Resources (13)

https://github.com/BishopFox/sliver/security/advisories/GHSA-8jxm-xp43-qh3q
https://nvd.nist.gov/vuln/detail/CVE-2023-35170
https://github.com/tangent65536/Slivjacker
https://github.com/BishopFox/sliver
https://github.com/BishopFox/sliver/releases/tag/v1.5.40
https://github.com/BishopFox/sliver/blob/master/implant/sliver/cryptography/implant.go
https://github.com/BishopFox/sliver/blob/master/implant/sliver/cryptography/crypto.go
https://pkg.go.dev/vuln/GO-2023-1866
https://www.chtsecurity.com/news/04f41dcc-1851-463c-93bc-551323ad8091
https://github.com/advisories/GHSA-8jxm-xp43-qh3q
https://nvd.nist.gov/vuln/detail/CVE-2023-34758
https://github.com/BishopFox/sliver/commit/2d1ea6192cac2ff9d6450b2d96043fdbf8561516
https://www.mend.io/vulnerability-database/CVE-2023-34758

Severity Score

Weakness Type (CWE)

Use of a Broken or Risky Cryptographic Algorithm

CWE-327

Top Fix

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Upgrade Version

Upgrade to version github.com/bishopfox/sliver - v1.5.40

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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