Sun Solaris syslogd buffer overflow
| sun-syslogd-bo (12194) |  Medium Risk |
Description:
Sun Solaris is vulnerable to a buffer overflow in the syslogd. By sending a UDP packet containing more than 1024 bytes, a remote or local attacker can overflow a buffer and cause a core dump on the system. It is unknown whether this vulnerability could be exploited by a remote attacker to execute code on the system.
Consequences:
Denial of Service
Remedy:
For Solaris:
Apply the appropriate patch for your system, as listed below. Refer to the Sun Alert ID: 55440 for more information. See References.
SPARC:
Solaris 2.6: 106439-13 or later
Solaris 7: 106541-25 or later
Solaris 8: 110945-08 or later
Solaris 9: 112998-03 or later
x86:
Solaris 2.6: 106440-14 or later
Solaris 7: 106542-25 or later
Solaris 8: 110946-08 or later
Solaris 9: 114932-01 or later
References:
- BugTraq Mailing List, Wed Jun 04 2003 - 18:51:18 CDT : Solaris syslogd overflow.
- Sun Alert ID: 55440: syslogd(1M) Does Not Properly Handle Large syslog(3C) Packets and May Allow an Unprivileged User to Cause a Denial of Service.
- SunSolve Web site: Patch Readme 110945-08.
- BID-7820: Sun Solaris Syslogd UDP Packet Buffer Overflow Denial Of Service Vulnerability
- CVE-2003-1066: Buffer overflow in the syslog daemon for Solaris 2.6 through 9 allows remote attackers to cause a denial of service (syslogd crash) and possibly execute arbitrary code via long syslog UDP packets.
- SA8944: Sun Solaris syslogd Denial of Service
Platforms Affected:
- Sun Solaris 2.6
- Sun Solaris 7.0
- Sun Solaris 8
- Sun Solaris 9
Reported:
Jun 04, 2003
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