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oraclelinuxOracleLinuxELSA-2017-0574
HistoryMar 27, 2017 - 12:00 a.m.

gnutls security, bug fix, and enhancement update

2017-03-2700:00:00
linux.oracle.com
21

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.577 Medium

EPSS

Percentile

97.4%

[2.12.23-21]

  • Upgraded to 2.12.23 to incorporate multiple TLS 1.2 fixes
    (#1326389, #1326073, #1323215, #1320982, #1328205, #1321112)
  • Modified gnutls-serv to accept --sni-hostname (#1333521)
  • Modified gnutls-serv to always reply with an alert message (#1327656)
  • Removed support for DSA2 as it causes interoperability issues (#1321112)
  • Allow sending and receiving certificates which were not in the
    signature algorithms extension (#1328205)
  • Removed support for EXPORT ciphersuites (#1337460)
  • Raised the minimum acceptable DH size to 1024 (#1335924)
  • Restricted the number of alert that can be received during handshake (#1388730)
  • Added fixes for OpenPGP parsing issues (CVE-2017-5337, CVE-2017-5336, CVE-2017-5335)
  • The exposed (but internal) crypto back-end registration API is deprecated and no
    longer functional. The ABI is kept compatible (#1415682)

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.577 Medium

EPSS

Percentile

97.4%