THREATPORT/VULNERABILITY/CVE-2008-2377
HIGH SEVERITY

CVE-2008-2377

Gnutls vulnerability

CVSS
7.6
EPSS
5.5%
EPSS pct
92th
Exploited
No known
Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle.
Affected vendor
Gnu
Affected product
Gnutls
CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2008-08-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 5.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2008-2377

  • Confirm whether Gnu Gnutls is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2008-2377.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-2377

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-2377 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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