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Search Parameters:
  • CPE Product Version: cpe:/a:gnu:gnutls:2.1.5
There are 42 matching records.
Displaying matches 1 through 20.
Vuln ID Summary CVSS Severity
CVE-2024-0567

A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.

Published: January 16, 2024; 9:15:48 AM -0500
V3.1: 7.5 HIGH
V2.0:(not available)
CVE-2024-0553

A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.

Published: January 16, 2024; 7:15:45 AM -0500
V3.1: 7.5 HIGH
V2.0:(not available)
CVE-2021-4209

A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.

Published: August 24, 2022; 12:15:09 PM -0400
V3.1: 6.5 MEDIUM
V2.0:(not available)
CVE-2022-2509

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.

Published: August 01, 2022; 10:15:09 AM -0400
V3.1: 7.5 HIGH
V2.0:(not available)
CVE-2020-24659

An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a no_renegotiation alert is sent with unexpected timing, and then an invalid second handshake occurs. The crash happens in the application's error handling path, where the gnutls_deinit function is called after detecting a handshake failure.

Published: September 04, 2020; 11:15:10 AM -0400
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2015-0294

GnuTLS before 3.3.13 does not validate that the signature algorithms match when importing a certificate.

Published: January 27, 2020; 11:15:10 AM -0500
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2015-8313

GnuTLS incorrectly validates the first byte of padding in CBC modes

Published: December 20, 2019; 9:15:11 AM -0500
V3.1: 5.9 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2018-16868

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Published: December 03, 2018; 9:29:00 AM -0500
V3.1: 5.6 MEDIUM
V2.0: 3.3 LOW
CVE-2018-10846

A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.

Published: August 22, 2018; 9:29:00 AM -0400
V3.1: 5.6 MEDIUM
V2.0: 1.9 LOW
CVE-2018-10845

It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.

Published: August 22, 2018; 9:29:00 AM -0400
V3.1: 5.9 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2018-10844

It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets.

Published: August 22, 2018; 9:29:00 AM -0400
V3.1: 5.9 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2017-7507

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

Published: June 16, 2017; 3:29:00 PM -0400
V3.0: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2017-7869

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Published: April 14, 2017; 12:59:00 AM -0400
V3.0: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2017-5337

Multiple heap-based buffer overflows in the read_attribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate.

Published: March 24, 2017; 11:59:00 AM -0400
V3.0: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2017-5336

Stack-based buffer overflow in the cdk_pk_get_keyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate.

Published: March 24, 2017; 11:59:00 AM -0400
V3.0: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2017-5335

The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service (out-of-memory error and crash) via a crafted OpenPGP certificate.

Published: March 24, 2017; 11:59:00 AM -0400
V3.0: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2017-5334

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 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.

Published: March 24, 2017; 11:59:00 AM -0400
V3.0: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2016-7444

The gnutls_ocsp_resp_check_crt function in lib/x509/ocsp.c in GnuTLS before 3.4.15 and 3.5.x before 3.5.4 does not verify the serial length of an OCSP response, which might allow remote attackers to bypass an intended certificate validation mechanism via vectors involving trailing bytes left by gnutls_malloc.

Published: September 27, 2016; 11:59:12 AM -0400
V3.0: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2015-3308

Double free vulnerability in lib/x509/x509_ext.c in GnuTLS before 3.3.14 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted CRL distribution point.

Published: September 02, 2015; 10:59:01 AM -0400
V3.x:(not available)
V2.0: 7.5 HIGH
CVE-2014-8155

GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.

Published: August 14, 2015; 2:59:01 PM -0400
V3.x:(not available)
V2.0: 4.3 MEDIUM