Gnutls
CVE-2015-6251
MEDIUM
Vulnerability Assessment
| Impact | CVSS score of 5.0 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 6.69%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service via a long DistinguishedName (DN) entry in a certificate. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service via a long DistinguishedName (DN) entry in a certificate. Affected products include: Gnu Gnutls, Debian Debian Linux. Version information: before 3.3.17.
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Severity by source
AV:N/AC:L/Au:N/C:N/I:N/A:P
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service via a long DistinguishedName (DN) entry in a certificate.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
A flaw was found in gnutls. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentic
Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15
An issue was discovered in GnuTLS before 3.6.15. Rated high severity (CVSS 7.5), this vulnerability is remotely exploita
A vulnerability was found in GnuTLS. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no auth
Alpine Linux: gnutls fixed in 3.8.3-r0
Double free vulnerability in libgnutls in GnuTLS before 3.0.14 allows remote attackers to cause a denial of service (app
A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. Rated high severity (C
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versio
A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7. Rated high severity (CVSS 7.5), this vulnerability
The asn1_get_length_der function in decoding.c in GNU Libtasn1 before 2.12, as used in GnuTLS before 3.0.16 and other pr
Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 al
gnutls_cipher.c in libgnutls in GnuTLS before 2.12.17 and 3.x before 3.0.15 does not properly handle data encrypted with
GitHub PoC
Exploit-DB