Description
/bin/login in shadow 4.0.18.1 in Debian GNU/Linux, and probably other Linux distributions, allows local users in the utmp group to overwrite arbitrary files via a symlink attack on a temporary file referenced in a line (aka ut_line) field in a utmp entry.
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by Paul Szabo · bashlocallinux
https://www.exploit-db.com/exploits/7313
References (12)
Core 12
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://osvdb.org/52200
Issue Tracking x_refsource_confirm
http://bugs.debian.org/505271
Issue Tracking x_refsource_confirm
http://bugs.debian.org/332198
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/47037
Issue Tracking x_refsource_confirm
http://bugs.debian.org/505071
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/32552
Third Party Advisory vendor-advisory
x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-200903-24.xml
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2009:062
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/498769/100/0/threaded
Exploit, Third Party Advisory exploit
x_refsource_exploit-db
https://www.exploit-db.com/exploits/7313
Third Party Advisory third-party-advisory
x_refsource_sreason
http://securityreason.com/securityalert/4695
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-695-1
Scores
EPSS
0.0008
EPSS Percentile
24.1%
Details
CWE
CWE-59
Status
published
Products (1)
debian/shadow
4.0.18.1
Published
Dec 09, 2008
Tracked Since
Feb 18, 2026