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Red Hat Product Errata RHSA-2017:3141 - Security Advisory
Issued:
2017-11-07
Updated:
2017-11-07

RHSA-2017:3141 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: rhvm-appliance security, bug fix, and enhancement update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for rhvm-appliance is now available for RHEV 4.X RHEV-H and Agents for RHEL-7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The RHV-M Virtual Appliance automates the process of installing and configuring the Red Hat Virtualization Manager. The appliance is available to download as an OVA file from the Customer Portal.

The following packages have been upgraded to a later upstream version: rhvm-appliance (20171019.0). (BZ#1496586)

Security Fix(es):

  • A deserialization flaw was discovered in the jackson-databind which could allow an unauthenticated user to perform code execution by sending the maliciously crafted input to the readValue method of the ObjectMapper. (CVE-2017-7525)
  • A vulnerability was found in Jasypt that would allow an attacker to perform a timing attack on password hash comparison. (CVE-2014-9970)
  • It was found that when the security manager's reflective permissions, which allows it to access the private members of the class, are granted to Hibernate Validator, a potential privilege escalation can occur. By allowing the calling code to access those private members without the permission an attacker may be able to validate an invalid instance and access the private member value via ConstraintViolation#getInvalidValue(). (CVE-2017-7536)

Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting CVE-2017-7525. The CVE-2017-7536 issue was discovered by Gunnar Morling (Red Hat).

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Virtualization 4 for RHEL 7 x86_64
  • Red Hat Virtualization Host 4 for RHEL 7 x86_64

Fixes

  • BZ - 1455566 - CVE-2014-9970 jasypt: Vulnerable to timing attack against the password hash comparison
  • BZ - 1462702 - CVE-2017-7525 jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper
  • BZ - 1465573 - CVE-2017-7536 hibernate-validator: Privilege escalation when running under the security manager
  • BZ - 1496586 - [Rebase] Tracker for rhvm-appliance 4.1.7

CVEs

  • CVE-2014-9970
  • CVE-2017-7525
  • CVE-2017-7536

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Virtualization 4 for RHEL 7

SRPM
rhvm-appliance-4.1.20171102.0-1.el7.src.rpm SHA-256: bbe383a54aeb8d95ecb067a571eff9f091f5470bea0ae0a006ff94587d4e83bb
x86_64
rhvm-appliance-4.1.20171102.0-1.el7.noarch.rpm SHA-256: d520bcc079d67dde0038f340c822c637755bb75899c095efdc155dad50fd3c50

Red Hat Virtualization Host 4 for RHEL 7

SRPM
rhvm-appliance-4.1.20171102.0-1.el7.src.rpm SHA-256: bbe383a54aeb8d95ecb067a571eff9f091f5470bea0ae0a006ff94587d4e83bb
x86_64
rhvm-appliance-4.1.20171102.0-1.el7.noarch.rpm SHA-256: d520bcc079d67dde0038f340c822c637755bb75899c095efdc155dad50fd3c50

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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