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Todd Miller » Sudo : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2014-0106 20 Bypass 2014-03-11 2014-03-26
6.6
None Local Medium Single system Complete Complete Complete
Sudo 1.6.9 before 1.8.5, when env_reset is disabled, does not properly check environment variables for the env_delete restriction, which allows local users with sudo permissions to bypass intended command restrictions via a crafted environment variable.
2 CVE-2013-2777 264 2013-04-08 2014-01-27
4.4
None Local Medium Not required Partial Partial Partial
sudo before 1.7.10p5 and 1.8.x before 1.8.6p6, when the tty_tickets option is enabled, does not properly validate the controlling terminal device, which allows local users with sudo permissions to hijack the authorization of another terminal via vectors related to a session without a controlling terminal device and connecting to the standard input, output, and error file descriptors of another terminal. NOTE: this is one of three closely-related vulnerabilities that were originally assigned CVE-2013-1776, but they have been SPLIT because of different affected versions.
3 CVE-2013-2776 264 2013-04-08 2014-01-27
4.4
None Local Medium Not required Partial Partial Partial
sudo 1.3.5 through 1.7.10p5 and 1.8.0 through 1.8.6p6, when running on systems without /proc or the sysctl function with the tty_tickets option enabled, does not properly validate the controlling terminal device, which allows local users with sudo permissions to hijack the authorization of another terminal via vectors related to connecting to the standard input, output, and error file descriptors of another terminal. NOTE: this is one of three closely-related vulnerabilities that were originally assigned CVE-2013-1776, but they have been SPLIT because of different affected versions.
4 CVE-2013-1776 264 2013-04-08 2014-01-07
4.4
None Local Medium Not required Partial Partial Partial
sudo 1.3.5 through 1.7.10 and 1.8.0 through 1.8.5, when the tty_tickets option is enabled, does not properly validate the controlling terminal device, which allows local users with sudo permissions to hijack the authorization of another terminal via vectors related to connecting to the standard input, output, and error file descriptors of another terminal. NOTE: this is one of three closely-related vulnerabilities that were originally assigned CVE-2013-1776, but they have been SPLIT because of different affected versions.
5 CVE-2013-1775 264 Bypass 2013-03-05 2014-01-27
6.9
None Local Medium Not required Complete Complete Complete
sudo 1.6.0 through 1.7.10p6 and sudo 1.8.0 through 1.8.6p6 allows local users or physically proximate attackers to bypass intended time restrictions and retain privileges without re-authenticating by setting the system clock and sudo user timestamp to the epoch.
6 CVE-2012-3440 59 2012-08-08 2012-08-08
5.6
None Local High Not required None Complete Complete
A certain Red Hat script for sudo 1.7.2 on Red Hat Enterprise Linux (RHEL) 5 allows local users to overwrite arbitrary files via a symlink attack on the /var/tmp/nsswitch.conf.bak temporary file.
7 CVE-2012-2337 264 Bypass 2012-05-18 2012-08-13
7.2
None Local Low Not required Complete Complete Complete
sudo 1.6.x and 1.7.x before 1.7.9p1, and 1.8.x before 1.8.4p5, does not properly support configurations that use a netmask syntax, which allows local users to bypass intended command restrictions in opportunistic circumstances by executing a command on a host that has an IPv4 address.
8 CVE-2012-0809 134 Exec Code 2012-01-31 2012-02-01
7.2
Admin Local Low Not required Complete Complete Complete
Format string vulnerability in the sudo_debug function in Sudo 1.8.0 through 1.8.3p1 allows local users to execute arbitrary code via format string sequences in the program name for sudo.
9 CVE-2011-0010 264 Exec Code Bypass 2011-01-18 2011-08-26
4.4
None Local Medium Not required Partial Partial Partial
check.c in sudo 1.7.x before 1.7.4p5, when a Runas group is configured, does not require a password for command execution that involves a gid change but no uid change, which allows local users to bypass an intended authentication requirement via the -g option to a sudo command.
10 CVE-2011-0008 +Priv 2011-01-20 2011-02-04
6.9
Admin Local Medium Not required Complete Complete Complete
A certain Fedora patch for parse.c in sudo before 1.7.4p5-1.fc14 on Fedora 14 does not properly interpret a system group (aka %group) in the sudoers file during authorization decisions for a user who belongs to that group, which allows local users to leverage an applicable sudoers file and gain root privileges via a sudo command. NOTE: this vulnerability exists because of a CVE-2009-0034 regression.
11 CVE-2010-2956 +Priv 2010-09-10 2011-01-21
6.2
None Local High Not required Complete Complete Complete
Sudo 1.7.0 through 1.7.4p3, when a Runas group is configured, does not properly handle use of the -u option in conjunction with the -g option, which allows local users to gain privileges via a command line containing a "-u root" sequence.
12 CVE-2010-1646 264 +Priv 2010-06-07 2011-07-18
6.2
None Local High Not required Complete Complete Complete
The secure path feature in env.c in sudo 1.3.1 through 1.6.9p22 and 1.7.0 through 1.7.2p6 does not properly handle an environment that contains multiple PATH variables, which might allow local users to gain privileges via a crafted value of the last PATH variable.
13 CVE-2010-1163 20 Exec Code 2010-04-16 2011-02-17
6.9
None Local Medium Not required Complete Complete Complete
The command matching functionality in sudo 1.6.8 through 1.7.2p5 does not properly handle when a file in the current working directory has the same name as a pseudo-command in the sudoers file and the PATH contains an entry for ".", which allows local users to execute arbitrary commands via a Trojan horse executable, as demonstrated using sudoedit, a different vulnerability than CVE-2010-0426.
14 CVE-2010-0427 264 +Priv 2010-02-25 2011-01-21
4.4
None Local Medium Not required Partial Partial Partial
sudo 1.6.x before 1.6.9p21, when the runas_default option is used, does not properly set group memberships, which allows local users to gain privileges via a sudo command.
15 CVE-2010-0426 264 +Priv 2010-02-24 2011-01-21
6.9
Admin Local Medium Not required Complete Complete Complete
sudo 1.6.x before 1.6.9p21 and 1.7.x before 1.7.2p4, when a pseudo-command is enabled, permits a match between the name of the pseudo-command and the name of an executable file in an arbitrary directory, which allows local users to gain privileges via a crafted executable file, as demonstrated by a file named sudoedit in a user's home directory.
16 CVE-2009-0034 264 +Priv 2009-01-30 2010-08-21
6.9
Admin Local Medium Not required Complete Complete Complete
parse.c in sudo 1.6.9p17 through 1.6.9p19 does not properly interpret a system group (aka %group) in the sudoers file during authorization decisions for a user who belongs to that group, which allows local users to leverage an applicable sudoers file and gain root privileges via a sudo command.
17 CVE-2007-4305 Bypass 2007-08-13 2008-09-05
6.2
Admin Local High Not required Complete Complete Complete
Multiple race conditions in the (1) Sudo monitor mode and (2) Sysjail policies in Systrace on NetBSD and OpenBSD allow local users to defeat system call interposition, and consequently bypass access control policy and auditing.
18 CVE-2007-3149 +Priv 2007-06-11 2008-09-05
7.2
Admin Local Low Not required Complete Complete Complete
sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenticate to Kerberos, which allows local users to gain privileges, in a manner unintended by the sudo security model, via certain KRB5_ environment variable settings. NOTE: another researcher disputes this vulnerability, stating that the attacker must be "a user, who can already log into your system, and can already use sudo."
19 CVE-2006-0151 +Priv 2006-01-09 2010-04-02
7.2
Admin Local Low Not required Complete Complete Complete
sudo 1.6.8 and other versions does not clear the PYTHONINSPECT environment variable, which allows limited local users to gain privileges via a Python script, a variant of CVE-2005-4158.
20 CVE-2005-4158 2005-12-10 2010-04-02
4.6
User Local Low Not required Partial Partial Partial
Sudo before 1.6.8 p12, when the Perl taint flag is off, does not clear the (1) PERLLIB, (2) PERL5LIB, and (3) PERL5OPT environment variables, which allows limited local users to cause a Perl script to include and execute arbitrary library files that have the same name as library files that are included by the script.
21 CVE-2005-2959 264 +Priv 2005-10-25 2011-07-28
4.6
User Local Low Not required Partial Partial Partial
Incomplete blacklist vulnerability in sudo 1.6.8 and earlier allows local users to gain privileges via the (1) SHELLOPTS and (2) PS4 environment variables before executing a bash script on behalf of another user, which are not cleared even though other variables are.
22 CVE-2005-1993 +Priv 2005-06-20 2010-08-21
3.7
None Local High Not required Partial Partial Partial
Race condition in sudo 1.3.1 up to 1.6.8p8, when the ALL pseudo-command is used after a user entry in the sudoers file, allows local users to gain privileges via a symlink attack.
23 CVE-2005-1831 +Priv 2005-05-31 2008-09-05
7.2
Admin Local Low Not required Complete Complete Complete
** DISPUTED ** Sudo 1.6.8p7 on SuSE Linux 9.3, and possibly other Linux distributions, allows local users to gain privileges by using sudo to call su, then entering a blank password and hitting CTRL-C. NOTE: SuSE and multiple third-party researchers have not been able to replicate this issue, stating "Sudo catches SIGINT and returns an empty string for the password so I don't see how this could happen unless the user's actual password was empty."
24 CVE-2005-1119 2005-05-02 2008-09-05
2.1
None Local Low Not required None Partial None
Sudo VISudo 1.6.8 and earlier allows local users to corrupt arbitrary files via a symlink attack on temporary files.
25 CVE-2004-1689 2004-09-16 2008-09-05
2.1
None Local Low Not required Partial None None
sudoedit (aka sudo -e) in sudo 1.6.8 opens a temporary file with root privileges, which allows local users to read arbitrary files via a symlink attack on the temporary file before quitting sudoedit.
26 CVE-2004-1051 Exec Code 2005-03-01 2008-09-10
7.2
Admin Local Low Not required Complete Complete Complete
sudo before 1.6.8p2 allows local users to execute arbitrary commands by using "()" style environment variables to create functions that have the same name as any program within the bash script that is called without using the program's full pathname.
27 CVE-2002-0184 Overflow +Priv 2002-05-16 2008-09-10
7.2
Admin Local Low Not required Complete Complete Complete
Heap-based buffer overflow in sudo before 1.6.6 may allow local users to gain root privileges via special characters in the -p (prompt) argument, which are not properly expanded.
28 CVE-2002-0043 +Priv 2002-01-31 2008-09-10
7.2
Admin Local Low Not required Complete Complete Complete
sudo 1.6.0 through 1.6.3p7 does not properly clear the environment before calling the mail program, which could allow local users to gain root privileges by modifying environment variables and changing how the mail program is invoked.
29 CVE-1999-1496 1999-06-08 2008-09-05
2.1
None Local Low Not required Partial None None
Sudo 1.5 in Debian Linux 2.1 and Red Hat 6.0 allows local users to determine the existence of arbitrary files by attempting to execute the target filename as a program, which generates a different error message when the file does not exist.
30 CVE-1999-0958 Exec Code 1998-01-12 2008-09-09
7.2
Admin Local Low Not required Complete Complete Complete
sudo 1.5.x allows local users to execute arbitrary commands via a .. (dot dot) attack.
Total number of vulnerabilities : 30   Page : 1 (This Page)
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