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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Public disclosed vulnerabilities from
Jackson-databind affects IBM Spectrum LSF
4 March 2019
AusCERT Security Bulletin Summary
Product: IBM Spectrum LSF
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
CVE Names: CVE-2018-7489 CVE-2018-5968 CVE-2017-17485
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Security Bulletin: Public disclosed vulnerabilities from Jackson-databind
affects IBM Spectrum LSF
More support for: Platform LSF
Software version: All Versions
Operating system(s): Linux
Reference #: 0874268
Modified date: 01 March 2019
Public disclosed vulnerabilities from Jackson-databind affects IBM Spectrum
LSF: CVE-2017-7525, CVE-2017-15095, CVE-2017-17485, CVE-2018-5968,
Jackson-databind (Also implemented in JBoss BPM Suite) is vulnerable to remote
code execution when deserializing via the `readValue()` method of
An unauthenticated attacker can create a specially crafted payload that when
deserialized in `Jackson-databind` can lead to Code Execution.
Deserialization of untrusted user data in Jackson Databind could allow an
attacker to perform PHP Object Injection resulting in Remote Code Execution.
This issue exists because of an incomplete fix for CVE-2017-7525 which the
vendor tried to address through an incomplete blacklist.
FasterXML jackson-databind through 2.8.11 and 2.9.x through 2.9.3 allows
unauthenticated remote code execution because of an incomplete fix for the
CVE-2017-7525 and CVE-2017-17485 deserialization flaws. This is exploitable
via two different gadgets that bypass a blacklist.
FasterXML jackson-databind contains a remote code execution (*RCE*)
vulnerability due to an incomplete fix for the CVE-2017-7525 deserialization
flaw. An unauthenticated attacker can exploit this vulnerability via
`readValue` method to execute arbitrary code.
Affected Products and Versions
IBM Spectrum LSF 10.0.0.4
IBM Spectrum LSF 10.0.0.5
IBM Spectrum LSF 10.0.0.6
IBM Spectrum LSF 10.0.0.7
Product VRMF APAR Remediation / First Fix
LSF 10.1.0.4 None See fix below
LSF 10.1.0.5 None See fix below
LSF 10.1.0.6 None See fix below
LSF 10.1.0.7 None See fix below
Download Fix 512358 from the following location:
1) Go to the patch install directory: cd $LSF_ENVDIR/../10.1/install/
2) Copy the patch file to the install directory $LSF_ENVDIR/../10.1/install/
3) Run patchinstall: ./patchinstall <patch>
4) Run "badmin mbdrestart"
Workarounds and Mitigations
28 February 2019: Original version created
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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