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AUSCERT External Security Bulletin Redistribution
ESB-2019.4661
IBM Data Server Driver for JDBC and SQLJ is affected by a
3RD PARTY Unsafe deserialization
13 December 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Data Server Driver
Publisher: IBM
Operating System: AIX
Windows
Solaris
HP-UX
Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1677
Reference: ESB-2018.1963
ESB-2018.0790.3
Original Bulletin:
https://www.ibm.com/support/pages/node/1128087
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IBM Data Server Driver for JDBC and SQLJ is affected by a 3RD PARTY Unsafe
deserialization
Security Bulletin
Summary
Unsafe deserialization in DB2 JDBC driver
Vulnerability Details
CVEID: CVE-2017-1677
DESCRIPTION: IBM Data Server Driver for JDBC and SQLJ (IBM DB2 for Linux, UNIX
and Windows 9.7, 10.1, 10.5, and 11.1) deserializes the contents of /tmp/
connlicj.bin which leads to object injection and potentially arbitrary code
execution depending on the classpath. IBM X-Force ID: 133999.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
133999 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
DB2Connect 9.5
DB2Connect 9.7
DB2Connect 10.1
DB2Connect 10.5
DB2Connect 11.1
Remediation/Fixes
+-------------+------------------+--------+--------------------------------------------+
| Product | VRMF | APAR | Remediation / First Fix |
+-------------+------------------+--------+--------------------------------------------+
|DB2Connect |V11.1 M2FP2 SB |IT23592 |JCC version 3.72.41/4.23.48 |
| | | |See workaround or contact support |
+-------------+------------------+--------+--------------------------------------------+
|DB2Connect |V10.5 FP9 SB |IT23591 |JCC version 3.69.75/4.19.76 |
| | | |See workaround or contact support |
+-------------+------------------+--------+--------------------------------------------+
|DB2Connect |V10.1 FP6 SB |IT23590 |JCC version 3.65.138/4.15.147 |
| | | |See workaround or contact support |
+-------------+------------------+--------+--------------------------------------------+
|DB2Connect |V9.7 FP11 SB |IT23575 |JCC version 3.64.142/4.14.147 |
| | | |See workaround or contact support |
+-------------+------------------+--------+--------------------------------------------+
|DB2Connect |V9.5 FP10 SB |IT23575 |JCC version 3.64.142/4.14.147 |
| | | |See workaround or contact support |
+-------------+------------------+--------+--------------------------------------------+
Workarounds and Mitigations
Workaround is to Set db2.jcc.outputDirectory property to a secure location so
that driver will write the cache file to the configured location which can not
accessed without proper authentication.
Or use the above Special build drivers.
Get Notified about Future Security Bulletins
References
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