THREATPORT/VULNERABILITY/CVE-2006-0645
HIGH SEVERITY

CVE-2006-0645

Libtasn1 vulnerability

CVSS
7.5
EPSS
3.5%
EPSS pct
88th
Exploited
No known
Tiny ASN.1 Library (libtasn1) before 0.2.18, as used by (1) GnuTLS 1.2.x before 1.2.10 and 1.3.x before 1.3.4, and (2) GNU Shishi, allows attackers to crash the DER decoder and possibly execute arbitrary code via "out-of-bounds access" caused by invalid input, as demonstrated by the ProtoVer SSL test suite.
Affected vendor
Free Software Foundation Inc.
Affected product
Libtasn1
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2006-02-10

Risk analysis

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

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2006-0645

  • Confirm whether Free Software Foundation Inc. Libtasn1 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2006-0645.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-0645

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-0645 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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