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Red Hat Security Advisory 2018-0342-01

Red Hat Security Advisory 2018-0342-01
Posted Feb 21, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0342-01 - The jackson-databind package provides general data-binding functionality for Jackson, which works on top of Jackson core streaming API. Security Fix: 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. Further classes that an attacker could use to achieve code execution through deserialisation were discovered, and added to the blacklist introduced by CVE-2017-7525.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2017-15095, CVE-2017-17485, CVE-2017-7525
MD5 | d7783e178d0505caf8949d037b739bcb

Red Hat Security Advisory 2018-0342-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: rh-maven35-jackson-databind security update
Advisory ID: RHSA-2018:0342-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0342
Issue date: 2018-02-22
CVE Names: CVE-2017-7525 CVE-2017-15095 CVE-2017-17485
=====================================================================

1. Summary:

An update for rh-maven35-jackson-databind is now available for Red Hat
Software Collections.

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.

2. Relevant releases/architectures:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch

3. Description:

The jackson-databind package provides general data-binding functionality
for Jackson, which works on top of Jackson core streaming API.

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)

* Further classes that an attacker could use to achieve code execution
through deserialisation were discovered, and added to the blacklist
introduced by CVE-2017-7525. (CVE-2017-15095, CVE-2017-17485)

Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting
CVE-2017-7525 and CVE-2017-15095 and 0c0c0f from 360eSSaea(r)eaa(r)$? for reporting
CVE-2017-17485.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1462702 - CVE-2017-7525 jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper
1506612 - CVE-2017-15095 jackson-databind: Unsafe deserialization due to incomplete black list (incomplete fix for CVE-2017-7525)
1528565 - CVE-2017-17485 jackson-databind: Unsafe deserialization due to incomplete black list (incomplete fix for CVE-2017-15095)

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
rh-maven35-jackson-databind-2.7.6-2.4.el7.src.rpm

noarch:
rh-maven35-jackson-databind-2.7.6-2.4.el7.noarch.rpm
rh-maven35-jackson-databind-javadoc-2.7.6-2.4.el7.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3):

Source:
rh-maven35-jackson-databind-2.7.6-2.4.el7.src.rpm

noarch:
rh-maven35-jackson-databind-2.7.6-2.4.el7.noarch.rpm
rh-maven35-jackson-databind-javadoc-2.7.6-2.4.el7.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):

Source:
rh-maven35-jackson-databind-2.7.6-2.4.el7.src.rpm

noarch:
rh-maven35-jackson-databind-2.7.6-2.4.el7.noarch.rpm
rh-maven35-jackson-databind-javadoc-2.7.6-2.4.el7.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-maven35-jackson-databind-2.7.6-2.4.el7.src.rpm

noarch:
rh-maven35-jackson-databind-2.7.6-2.4.el7.noarch.rpm
rh-maven35-jackson-databind-javadoc-2.7.6-2.4.el7.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-7525
https://access.redhat.com/security/cve/CVE-2017-15095
https://access.redhat.com/security/cve/CVE-2017-17485
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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