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ubuntucveUbuntu.comUB:CVE-2018-1312
HistoryMar 26, 2018 - 12:00 a.m.

CVE-2018-1312

2018-03-2600:00:00
ubuntu.com
ubuntu.com
425

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.018 Low

EPSS

Percentile

88.0%

In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest
authentication challenge, the nonce sent to prevent reply attacks was not
correctly generated using a pseudo-random seed. In a cluster of servers
using a common Digest authentication configuration, HTTP requests could be
replayed across servers by an attacker without detection.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchapache2< 2.4.27-2ubuntu4.1UNKNOWN
ubuntu18.04noarchapache2< 2.4.29-1ubuntu4.1UNKNOWN
ubuntu18.10noarchapache2< 2.4.29-1ubuntu4.1UNKNOWN
ubuntu14.04noarchapache2< 2.4.7-1ubuntu4.20UNKNOWN
ubuntu16.04noarchapache2< 2.4.18-2ubuntu3.8UNKNOWN

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.018 Low

EPSS

Percentile

88.0%