Vulnerability in Bishopfox Sliver
CVE-2023-34758
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.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/tangent65536/Slivjacker (Broken Link)
- github.com/advisories/GHSA-8jxm-xp43-qh3q (Third Party Advisory)
- github.com/BishopFox/sliver/releases/tag/v1.5.40 (Release Notes)
- www.chtsecurity.com/news/04f41dcc-1851-463c-93bc-551323ad8091 (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-34758?
- CVE-2023-34758 is a high-severity vulnerability in Bishopfox Sliver, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.1/10. Published 2023-08-28.
- How severe is CVE-2023-34758?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2023-34758 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.