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Уязвимости gnutls28

За последние 30 дней в gnutls28 опубликовано уязвимостей: 0; в каталоге KEV: 0.

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Уязвимостей: 14

  1. USN-4233-2

    Без оценкиЕсть исправление

    gnutls28 update

    USN-4233-1 disabled SHA1 being used for digital signature operations in GnuTLS. In certain network environments, certificates using SHA1 may still be in use. This update adds the %VERIFY_ALLOW_BROKEN and %VERIFY_ALLOW_SIGN_WITH_SHA1 priority strings that can be used to temporarily re-enable SHA1 until certificates can be replaced with a stronger algorithm. Original advisory details: As a security improvement, this update marks SHA1 as being untrusted for digital signature operations.

    • Обновитесь до 3.4.10-4ubuntu1.7
    Опубликовано Обновлено
  2. CVE-2018-10846

    Средний · CVSS 5.3EPSS 0,39%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.5
    Опубликовано Обновлено
  3. CVE-2018-10845

    Средний · CVSS 5.9EPSS 3,58%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.5
    Опубликовано Обновлено
  4. CVE-2018-10844

    Средний · CVSS 5.9EPSS 3,58%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.5
    Опубликовано Обновлено
  5. CVE-2016-8610

    Высокий · CVSS 7.5EPSS 39,66%Публичный эксплойтЕсть исправление

    CVE-2016-8610

    A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.

    • Обновитесь до 3.4.10-4ubuntu1.2
    Опубликовано Обновлено
  6. CVE-2017-7507

    Высокий · CVSS 7.5EPSS 3,41%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.3
  7. CVE-2017-7869

    Высокий · CVSS 7.5EPSS 2,84%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.3
    Опубликовано Обновлено
  8. CVE-2017-5337

    Критический · CVSS 9.8EPSS 6,18%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.2
    Опубликовано Обновлено
  9. CVE-2017-5336

    Критический · CVSS 9.8EPSS 7,07%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.2
    Опубликовано Обновлено
  10. CVE-2017-5335

    Высокий · CVSS 7.5EPSS 8,01%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.2
    Опубликовано Обновлено
  11. CVE-2017-5334

    Критический · CVSS 9.8EPSS 32,75%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.2
    Опубликовано Обновлено
  12. CVE-2016-7444

    Высокий · CVSS 7.5EPSS 2,44%Есть исправление

    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.

    • Обновитесь до 3.4.10-4ubuntu1.2
    Опубликовано Обновлено
  13. CVE-2015-6251

    Без оценкиEPSS 19,03%Есть исправление

    CVE-2015-6251

    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.

    • Обновитесь до 3.3.15-5ubuntu2
    Опубликовано Обновлено

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