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AUSCERT External Security Bulletin Redistribution
ESB-2019.0573
i-series IBM iSTAP can cause the Guardium Sniffer v10.0p4042
to frequently restart
26 February 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Guardium Sniffer
Publisher: IBM
Operating System: Linux variants
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10872672
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i-series IBM iSTAP can cause the Guardium Sniffer v10.0p4042 to frequently
restart
Document information
More support for: IBM Security Guardium
Software version: All Versions
Operating system(s): IBM i
Reference #: 0872672
Modified date: 25 February 2019
Flashes (Alerts)
Content The problem was noted on a v10.6 Collector with Sniffer patch p4042
installed. The STAP noted was iSTAP(TAP_VERSION=Guardium_DB2 for i
S-TAP_2_10.0.0_r79963_trunk_1)
The following can be seen in the syslog (messages) file for example
<datetime> <hostname> GuardiumSniffer[4217]: Guardium Sniffer license
verified.
<datetime> <hostname> GuardiumSniffer[4217]: Starting UTAP_SERVER
<datetime> <hostname> GuardiumSniffer[4217]: Starting WTAP_SERVER
<datetime> <hostname> kernel: TapServerThread[4325]: segfault at 38 ip
000000000059df87 sp 00007f6e89a192a0 error 6 in snif[400000+51eb000]
<datetime> <hostname> init: guard-snif main process (4217) killed by SEGV
signal
<datetime> <hostname> init: guard-snif main process ended, respawning
<datetime> <hostname> snif: Guardium Sniffer Started
<datetime> <hostname> GuardiumSniffer[4472]: Guardium Sniffer license
verified.
<datetime> <hostname> GuardiumSniffer[4472]: Starting WTAP_SERVER
<datetime> <hostname> GuardiumSniffer[4472]: Starting UTAP_SERVER
<datetime> <hostname> kernel: TapServerThread[4545]: segfault at 38 ip
000000000059df87 sp 00007f407250a2a0 error 6 in snif[400000+51eb000]
<datetime> <hostname> init: guard-snif main process (4472) killed by SEGV
signal
<datetime> <hostname> init: guard-snif main process ended, respawning
<datetime> <hostname> snif: Guardium Sniffer Started
<datetime> <hostname> GuardiumSniffer[4694]: Guardium Sniffer license
verified.
<datetime> <hostname> GuardiumSniffer[4694]: Starting WTAP_SERVER
<datetime> <hostname> GuardiumSniffer[4694]: Starting UTAP_SERVER
<datetime> <hostname> kernel: TapServerThread[4766]: segfault at 38 ip
000000000059df87 sp 00007fe5b8afc2a0 error 6 in snif[400000+51eb000]
<datetime> <hostname> init: guard-snif main process (4694) killed by SEGV
signal
<datetime> <hostname> init: guard-snif main process ended, respawning
<datetime> <hostname> snif: Guardium Sniffer Started
Remediation
A coded fix has been identified which will be included in an ad-hoc patch
later than Sniffer version v10.0p4042.
Customers planning to upgrade to Sniffer patch p4042 should contact IBM for an
ad-hoc patch which will contain the p4042 fixes plus the fix for this i-series
problem.
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