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Vulnerability Details : CVE-2013-2776

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.
Publish Date : 2013-04-08 Last Update Date : 2014-01-27
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- CVSS Scores & Vulnerability Types

CVSS Score
4.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 264

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2642-1 sudo - several issues oval:org.mitre.oval:def:20126 unix
ELSA-2013-1353 -- sudo security and bug fix update (low) oval:org.mitre.oval:def:27476 unix
ELSA-2013-1701 -- sudo security, bug fix and enhancement update (low) oval:org.mitre.oval:def:27379 unix
RHSA-2013:1353 -- sudo security and bug fix update (Low) oval:org.mitre.oval:def:27220 unix
SUSE-SU-2013:0793-1 -- Security update for sudo oval:org.mitre.oval:def:25864 unix
SUSE-SU-2013:1594-1 -- Security update for sudo oval:org.mitre.oval:def:25587 unix
SUSE-SU-2013:1595-1 -- Security update for sudo oval:org.mitre.oval:def:25531 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-2776

# Product Type Vendor Product Version Update Edition Language
1 Application Todd Miller Sudo 1.3.5 Version Details Vulnerabilities
2 Application Todd Miller Sudo 1.6 Version Details Vulnerabilities
3 Application Todd Miller Sudo 1.6.1 Version Details Vulnerabilities
4 Application Todd Miller Sudo 1.6.2 Version Details Vulnerabilities
5 Application Todd Miller Sudo 1.6.2p3 Version Details Vulnerabilities
6 Application Todd Miller Sudo 1.6.3 Version Details Vulnerabilities
7 Application Todd Miller Sudo 1.6.3 P7 Version Details Vulnerabilities
8 Application Todd Miller Sudo 1.6.4p2 Version Details Vulnerabilities
9 Application Todd Miller Sudo 1.6.4 Version Details Vulnerabilities
10 Application Todd Miller Sudo 1.6.5 Version Details Vulnerabilities
11 Application Todd Miller Sudo 1.6.6 Version Details Vulnerabilities
12 Application Todd Miller Sudo 1.6.7p5 Version Details Vulnerabilities
13 Application Todd Miller Sudo 1.6.7 Version Details Vulnerabilities
14 Application Todd Miller Sudo 1.6.8 Version Details Vulnerabilities
15 Application Todd Miller Sudo 1.6.8p12 Version Details Vulnerabilities
16 Application Todd Miller Sudo 1.6.9p20 Version Details Vulnerabilities
17 Application Todd Miller Sudo 1.6.9 Version Details Vulnerabilities
18 Application Todd Miller Sudo 1.6.9p22 Version Details Vulnerabilities
19 Application Todd Miller Sudo 1.6.9p21 Version Details Vulnerabilities
20 Application Todd Miller Sudo 1.6.9p23 Version Details Vulnerabilities
21 Application Todd Miller Sudo 1.7.0 Version Details Vulnerabilities
22 Application Todd Miller Sudo 1.7.1 Version Details Vulnerabilities
23 Application Todd Miller Sudo 1.7.2 Version Details Vulnerabilities
24 Application Todd Miller Sudo 1.7.2p6 Version Details Vulnerabilities
25 Application Todd Miller Sudo 1.7.2p1 Version Details Vulnerabilities
26 Application Todd Miller Sudo 1.7.2p5 Version Details Vulnerabilities
27 Application Todd Miller Sudo 1.7.2p7 Version Details Vulnerabilities
28 Application Todd Miller Sudo 1.7.2p4 Version Details Vulnerabilities
29 Application Todd Miller Sudo 1.7.2p2 Version Details Vulnerabilities
30 Application Todd Miller Sudo 1.7.2p3 Version Details Vulnerabilities
31 Application Todd Miller Sudo 1.7.3b1 Version Details Vulnerabilities
32 Application Todd Miller Sudo 1.7.4 Version Details Vulnerabilities
33 Application Todd Miller Sudo 1.7.4p1 Version Details Vulnerabilities
34 Application Todd Miller Sudo 1.7.4p4 Version Details Vulnerabilities
35 Application Todd Miller Sudo 1.7.4p5 Version Details Vulnerabilities
36 Application Todd Miller Sudo 1.7.4p6 Version Details Vulnerabilities
37 Application Todd Miller Sudo 1.7.4p2 Version Details Vulnerabilities
38 Application Todd Miller Sudo 1.7.4p3 Version Details Vulnerabilities
39 Application Todd Miller Sudo 1.7.5 Version Details Vulnerabilities
40 Application Todd Miller Sudo 1.7.6p1 Version Details Vulnerabilities
41 Application Todd Miller Sudo 1.7.6 Version Details Vulnerabilities
42 Application Todd Miller Sudo 1.7.6p2 Version Details Vulnerabilities
43 Application Todd Miller Sudo 1.7.7 Version Details Vulnerabilities
44 Application Todd Miller Sudo 1.7.8p2 Version Details Vulnerabilities
45 Application Todd Miller Sudo 1.7.8p1 Version Details Vulnerabilities
46 Application Todd Miller Sudo 1.7.8 Version Details Vulnerabilities
47 Application Todd Miller Sudo 1.7.9p1 Version Details Vulnerabilities
48 Application Todd Miller Sudo 1.7.9 Version Details Vulnerabilities
49 Application Todd Miller Sudo 1.7.10p4 Version Details Vulnerabilities
50 Application Todd Miller Sudo 1.7.10p3 Version Details Vulnerabilities
51 Application Todd Miller Sudo 1.7.10p5 Version Details Vulnerabilities
52 Application Todd Miller Sudo 1.7.10 Version Details Vulnerabilities
53 Application Todd Miller Sudo 1.7.10p1 Version Details Vulnerabilities
54 Application Todd Miller Sudo 1.7.10p2 Version Details Vulnerabilities
55 Application Todd Miller Sudo 1.8.0 Version Details Vulnerabilities
56 Application Todd Miller Sudo 1.8.1 Version Details Vulnerabilities
57 Application Todd Miller Sudo 1.8.1p1 Version Details Vulnerabilities
58 Application Todd Miller Sudo 1.8.1p2 Version Details Vulnerabilities
59 Application Todd Miller Sudo 1.8.2 Version Details Vulnerabilities
60 Application Todd Miller Sudo 1.8.3 Version Details Vulnerabilities
61 Application Todd Miller Sudo 1.8.3p1 Version Details Vulnerabilities
62 Application Todd Miller Sudo 1.8.3p2 Version Details Vulnerabilities
63 Application Todd Miller Sudo 1.8.4p2 Version Details Vulnerabilities
64 Application Todd Miller Sudo 1.8.4p3 Version Details Vulnerabilities
65 Application Todd Miller Sudo 1.8.4p4 Version Details Vulnerabilities
66 Application Todd Miller Sudo 1.8.4p5 Version Details Vulnerabilities
67 Application Todd Miller Sudo 1.8.4 Version Details Vulnerabilities
68 Application Todd Miller Sudo 1.8.4p1 Version Details Vulnerabilities
69 Application Todd Miller Sudo 1.8.5 Version Details Vulnerabilities
70 Application Todd Miller Sudo 1.8.6p3 Version Details Vulnerabilities
71 Application Todd Miller Sudo 1.8.6p4 Version Details Vulnerabilities
72 Application Todd Miller Sudo 1.8.6p5 Version Details Vulnerabilities
73 Application Todd Miller Sudo 1.8.6 Version Details Vulnerabilities
74 Application Todd Miller Sudo 1.8.6p1 Version Details Vulnerabilities
75 Application Todd Miller Sudo 1.8.6p2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Todd Miller Sudo 75

- References For CVE-2013-2776

https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/87023
http://www.sudo.ws/sudo/alerts/tty_tickets.html CONFIRM
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=701839
http://rhn.redhat.com/errata/RHSA-2013-1353.html
REDHAT RHSA-2013:1353
http://www.debian.org/security/2013/dsa-2642
DEBIAN DSA-2642
http://rhn.redhat.com/errata/RHSA-2013-1701.html
REDHAT RHSA-2013:1701
http://www.securityfocus.com/bid/58207
BID 58207 Todd Miller Sudo CVE-2013-1776 Local Security Bypass Vulnerability Release Date:2014-01-22
http://www.openwall.com/lists/oss-security/2013/02/27/31
MLIST [oss-security] 20130227 Re: CVE request: potential bypass of sudo tty_tickets constraints
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.517440
SLACKWARE SSA:2013-065-01
http://www.sudo.ws/repos/sudo/rev/0c0283d1fafa CONFIRM
http://xforce.iss.net/xforce/xfdb/82453
XF sudo-ttytickets-sec-bypass(82453)
http://www.sudo.ws/repos/sudo/rev/049a12a5cc14 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=916365

- Metasploit Modules Related To CVE-2013-2776

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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