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centosCentOS ProjectCESA-2016:2674
HistoryNov 12, 2016 - 6:30 a.m.

libgcrypt security update

2016-11-1206:30:21
CentOS Project
lists.centos.org
43

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.007 Low

EPSS

Percentile

80.3%

JSON

CentOS Errata and Security Advisory CESA-2016:2674

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms.

Security Fix(es):

  • A design flaw was found in the libgcrypt PRNG (Pseudo-Random Number Generator). An attacker able to obtain the first 580 bytes of the PRNG output could predict the following 20 bytes. (CVE-2016-6313)

Red Hat would like to thank Felix Dörre and Vladimir Klebanov for reporting this issue.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2016-November/084303.html
https://lists.centos.org/pipermail/centos-cr-announce/2016-November/029950.html

Affected packages:
libgcrypt
libgcrypt-devel

Upstream details at:
https://access.redhat.com/errata/RHSA-2016:2674

OSVersionArchitecturePackageVersionFilename
CentOS6i686libgcrypt< 1.4.5-12.el6_8libgcrypt-1.4.5-12.el6_8.i686.rpm
CentOS6i686libgcrypt-devel< 1.4.5-12.el6_8libgcrypt-devel-1.4.5-12.el6_8.i686.rpm
CentOS6i686libgcrypt< 1.4.5-12.el6_8libgcrypt-1.4.5-12.el6_8.i686.rpm
CentOS6x86_64libgcrypt< 1.4.5-12.el6_8libgcrypt-1.4.5-12.el6_8.x86_64.rpm
CentOS6i686libgcrypt-devel< 1.4.5-12.el6_8libgcrypt-devel-1.4.5-12.el6_8.i686.rpm
CentOS6x86_64libgcrypt-devel< 1.4.5-12.el6_8libgcrypt-devel-1.4.5-12.el6_8.x86_64.rpm
CentOS7i686libgcrypt< 1.5.3-13.el7_3.1libgcrypt-1.5.3-13.el7_3.1.i686.rpm
CentOS7x86_64libgcrypt< 1.5.3-13.el7_3.1libgcrypt-1.5.3-13.el7_3.1.x86_64.rpm
CentOS7i686libgcrypt-devel< 1.5.3-13.el7_3.1libgcrypt-devel-1.5.3-13.el7_3.1.i686.rpm
CentOS7x86_64libgcrypt-devel< 1.5.3-13.el7_3.1libgcrypt-devel-1.5.3-13.el7_3.1.x86_64.rpm

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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.007 Low

EPSS

Percentile

80.3%

JSON
Related for CESA-2016:2674
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