critical
9.8
CWE
20
Advisory Published
Updated

CVE-2017-2773: Input Validation

First published: Tue Jun 13 2017(Updated: )

An issue was discovered in Pivotal PCF Elastic Runtime 1.6.x versions prior to 1.6.60, 1.7.x versions prior to 1.7.41, 1.8.x versions prior to 1.8.23, and 1.9.x versions prior to 1.9.1. Incomplete validation logic in JSON Web Token (JWT) libraries can allow unprivileged attackers to impersonate other users in multiple components included in PCF Elastic Runtime, aka an "Unauthenticated JWT signing algorithm in multiple components" issue.

Credit: security_alert@emc.com

Affected SoftwareAffected VersionHow to fix
Pivotal Elastic Runtime=1.6.0
Pivotal Elastic Runtime=1.6.1
Pivotal Elastic Runtime=1.6.2
Pivotal Elastic Runtime=1.6.3
Pivotal Elastic Runtime=1.6.4
Pivotal Elastic Runtime=1.6.5
Pivotal Elastic Runtime=1.6.6
Pivotal Elastic Runtime=1.6.7
Pivotal Elastic Runtime=1.6.8
Pivotal Elastic Runtime=1.6.9
Pivotal Elastic Runtime=1.6.10
Pivotal Elastic Runtime=1.6.11
Pivotal Elastic Runtime=1.6.12
Pivotal Elastic Runtime=1.6.13
Pivotal Elastic Runtime=1.6.14
Pivotal Elastic Runtime=1.6.15
Pivotal Elastic Runtime=1.6.16
Pivotal Elastic Runtime=1.6.17
Pivotal Elastic Runtime=1.6.18
Pivotal Elastic Runtime=1.6.19
Pivotal Elastic Runtime=1.6.20
Pivotal Elastic Runtime=1.6.21
Pivotal Elastic Runtime=1.6.22
Pivotal Elastic Runtime=1.6.23
Pivotal Elastic Runtime=1.6.24
Pivotal Elastic Runtime=1.6.25
Pivotal Elastic Runtime=1.6.26
Pivotal Elastic Runtime=1.6.27
Pivotal Elastic Runtime=1.6.28
Pivotal Elastic Runtime=1.6.29
Pivotal Elastic Runtime=1.6.30
Pivotal Elastic Runtime=1.6.31
Pivotal Elastic Runtime=1.6.32
Pivotal Elastic Runtime=1.6.33
Pivotal Elastic Runtime=1.6.34
Pivotal Elastic Runtime=1.6.35
Pivotal Elastic Runtime=1.6.36
Pivotal Elastic Runtime=1.6.37
Pivotal Elastic Runtime=1.6.38
Pivotal Elastic Runtime=1.6.39
Pivotal Elastic Runtime=1.6.40
Pivotal Elastic Runtime=1.6.41
Pivotal Elastic Runtime=1.6.42
Pivotal Elastic Runtime=1.6.43
Pivotal Elastic Runtime=1.6.44
Pivotal Elastic Runtime=1.6.45
Pivotal Elastic Runtime=1.6.46
Pivotal Elastic Runtime=1.6.47
Pivotal Elastic Runtime=1.6.48
Pivotal Elastic Runtime=1.6.49
Pivotal Elastic Runtime=1.6.50
Pivotal Elastic Runtime=1.6.51
Pivotal Elastic Runtime=1.6.52
Pivotal Elastic Runtime=1.6.53
Pivotal Elastic Runtime=1.6.54
Pivotal Elastic Runtime=1.6.55
Pivotal Elastic Runtime=1.6.56
Pivotal Elastic Runtime=1.6.57
Pivotal Elastic Runtime=1.6.58
Pivotal Elastic Runtime=1.6.59
Pivotal Elastic Runtime=1.7.1
Pivotal Elastic Runtime=1.7.2
Pivotal Elastic Runtime=1.7.3
Pivotal Elastic Runtime=1.7.4
Pivotal Elastic Runtime=1.7.5
Pivotal Elastic Runtime=1.7.6
Pivotal Elastic Runtime=1.7.7
Pivotal Elastic Runtime=1.7.8
Pivotal Elastic Runtime=1.7.9
Pivotal Elastic Runtime=1.7.10
Pivotal Elastic Runtime=1.7.11
Pivotal Elastic Runtime=1.7.12
Pivotal Elastic Runtime=1.7.13
Pivotal Elastic Runtime=1.7.14
Pivotal Elastic Runtime=1.7.15
Pivotal Elastic Runtime=1.7.16
Pivotal Elastic Runtime=1.7.17
Pivotal Elastic Runtime=1.7.18
Pivotal Elastic Runtime=1.7.19
Pivotal Elastic Runtime=1.7.20
Pivotal Elastic Runtime=1.7.21
Pivotal Elastic Runtime=1.7.22
Pivotal Elastic Runtime=1.7.23
Pivotal Elastic Runtime=1.7.24
Pivotal Elastic Runtime=1.7.25
Pivotal Elastic Runtime=1.7.26
Pivotal Elastic Runtime=1.7.27
Pivotal Elastic Runtime=1.7.28
Pivotal Elastic Runtime=1.7.29
Pivotal Elastic Runtime=1.7.30
Pivotal Elastic Runtime=1.7.31
Pivotal Elastic Runtime=1.7.32
Pivotal Elastic Runtime=1.7.33
Pivotal Elastic Runtime=1.7.34
Pivotal Elastic Runtime=1.7.35
Pivotal Elastic Runtime=1.7.36
Pivotal Elastic Runtime=1.7.37
Pivotal Elastic Runtime=1.7.38
Pivotal Elastic Runtime=1.7.39
Pivotal Elastic Runtime=1.7.40
Pivotal Elastic Runtime=1.8.1
Pivotal Elastic Runtime=1.8.2
Pivotal Elastic Runtime=1.8.3
Pivotal Elastic Runtime=1.8.4
Pivotal Elastic Runtime=1.8.5
Pivotal Elastic Runtime=1.8.6
Pivotal Elastic Runtime=1.8.7
Pivotal Elastic Runtime=1.8.8
Pivotal Elastic Runtime=1.8.9
Pivotal Elastic Runtime=1.8.10
Pivotal Elastic Runtime=1.8.11
Pivotal Elastic Runtime=1.8.12
Pivotal Elastic Runtime=1.8.13
Pivotal Elastic Runtime=1.8.14
Pivotal Elastic Runtime=1.8.15
Pivotal Elastic Runtime=1.8.16
Pivotal Elastic Runtime=1.8.17
Pivotal Elastic Runtime=1.8.18
Pivotal Elastic Runtime=1.8.19
Pivotal Elastic Runtime=1.8.20
Pivotal Elastic Runtime=1.8.21
Pivotal Elastic Runtime=1.8.22
Pivotal Elastic Runtime=1.9.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2017-2773?

    The CVE-2017-2773 vulnerability is categorized as high severity due to its potential for attacker impersonation.

  • How do I fix CVE-2017-2773?

    To fix CVE-2017-2773, upgrade Pivotal PCF Elastic Runtime to versions 1.6.60 or later, 1.7.41 or later, 1.8.23 or later, or 1.9.1 or later.

  • What versions are affected by CVE-2017-2773?

    CVE-2017-2773 affects Pivotal PCF Elastic Runtime versions 1.6.x below 1.6.60, 1.7.x below 1.7.41, 1.8.x below 1.8.23, and 1.9.x below 1.9.1.

  • What type of vulnerability is CVE-2017-2773?

    CVE-2017-2773 is an authentication-related vulnerability due to incomplete validation logic in JSON Web Token libraries.

  • Who can exploit CVE-2017-2773?

    CVE-2017-2773 can be exploited by unprivileged attackers to impersonate other users.

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