nfs-utils "xlog()" Buffer Overflow Vulnerability - Secunia Advisories - Vulnerability Intelligence

nfs-utils "xlog()" Buffer Overflow Vulnerability
Secunia Advisory:	SA9259	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2003-07-14
Popularity:	13,179 views

Critical:	Moderately critical
Impact:	DoS System access
Where:	From local network
Solution Status:	Vendor Patch

OS:	Conectiva Linux 6.0 Conectiva Linux 7.0 Conectiva Linux 8 Conectiva Linux 9 Debian GNU/Linux 2.x Debian GNU/Linux 3.0 Debian GNU/Linux unstable alias sid Gentoo Linux 1.x Mandrake Linux 7.x Mandrake Linux 8.x Mandrake Linux 9.x RedHat Linux 7.1 RedHat Linux 7.2 RedHat Linux 7.3 RedHat Linux 8.0 RedHat Linux 9 Slackware Linux 8.x Slackware Linux 9.0 Sun Linux 5.x SuSE Linux 7.x SuSE Linux 8.x

Software:	nfs-utils 0.x nfs-utils 1.x

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2003-0252

Description: A vulnerability has been reported in nfs-utils, which potentially can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to a boundary error (off-by-one) in the "xlog()" function when adding missing trailing newlines to a logged string. This can be exploited by sending a specially crafted RPC request to the rpc.mountd service, which may cause it to crash or potentially allow execution of arbitrary code. The vulnerability has been reported to affect versions 1.0.3 and prior. Solution: Updated packages are expected to be released soon by the various OS vendors. An updated version (1.0.4) has been released: http://prdownloads.sourceforge.net/nfs/nfs-utils-1.0.4.tar.gz?download Provided and/or discovered by: Janusz Niewiadomski Original Advisory: http://isec.pl/vulnerabilities/isec-0010-linux-nfs-utils.txt

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