/[smeserver]/rpms/sudo/sme9/sudo-1.8.6p3-CVE-2013-2777_2776_1775.patch
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Annotation of /rpms/sudo/sme9/sudo-1.8.6p3-CVE-2013-2777_2776_1775.patch

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Revision 1.1 - (hide annotations) (download)
Thu Feb 4 19:44:03 2021 UTC (3 years, 4 months ago) by jpp
Branch: MAIN
CVS Tags: sudo-1_8_6p3-30_el6_sme, sudo-1_8_6p3-29_el6_9, HEAD 
Sudo
1 jpp 1.1 diff -up sudo-1.8.6p3/plugins/sudoers/check.c.CVE-2013 sudo-1.8.6p3/plugins/sudoers/check.c
2     --- sudo-1.8.6p3/plugins/sudoers/check.c.CVE-2013 2013-10-07 14:28:55.946568106 +0200
3     +++ sudo-1.8.6p3/plugins/sudoers/check.c 2013-10-07 14:29:51.157768333 +0200
4     @@ -82,6 +82,7 @@ static struct tty_info {
5     dev_t rdev; /* tty device ID */
6     ino_t ino; /* tty inode number */
7     struct timeval ctime; /* tty inode change time */
8     + pid_t sid; /* ID of session with controlling tty */
9     } tty_info;
10    
11     static int build_timestamp(char **, char **);
12     @@ -138,13 +139,14 @@ check_user(int validated, int mode)
13     if (ISSET(mode, MODE_IGNORE_TICKET))
14     SET(validated, FLAG_CHECK_USER);
15    
16     - /* Stash the tty's ctime for tty ticket comparison. */
17     + /* Stash the tty's device, session ID and ctime for ticket comparison. */
18     if (def_tty_tickets && user_ttypath && stat(user_ttypath, &sb) == 0) {
19     tty_info.dev = sb.st_dev;
20     tty_info.ino = sb.st_ino;
21     tty_info.rdev = sb.st_rdev;
22     if (tty_is_devpts(user_ttypath))
23     ctim_get(&sb, &tty_info.ctime);
24     + tty_info.sid = user_sid;
25     }
26    
27     if (build_timestamp(&timestampdir, &timestampfile) == -1) {
28     @@ -627,31 +629,34 @@ timestamp_status(char *timestampdir, cha
29     */
30     if (status == TS_OLD && !ISSET(flags, TS_REMOVE)) {
31     mtim_get(&sb, &mtime);
32     - /* Negative timeouts only expire manually (sudo -k). */
33     - if (def_timestamp_timeout < 0 && mtime.tv_sec != 0)
34     - status = TS_CURRENT;
35     - else {
36     - now = time(NULL);
37     - if (def_timestamp_timeout &&
38     - now - mtime.tv_sec < 60 * def_timestamp_timeout) {
39     - /*
40     - * Check for bogus time on the stampfile. The clock may
41     - * have been set back or someone could be trying to spoof us.
42     - */
43     - if (mtime.tv_sec > now + 60 * def_timestamp_timeout * 2) {
44     - time_t tv_sec = (time_t)mtime.tv_sec;
45     - log_error(0,
46     - _("timestamp too far in the future: %20.20s"),
47     - 4 + ctime(&tv_sec));
48     - if (timestampfile)
49     - (void) unlink(timestampfile);
50     - else
51     - (void) rmdir(timestampdir);
52     - status = TS_MISSING;
53     - } else if (get_boottime(&boottime) && timevalcmp(&mtime, &boottime, <)) {
54     - status = TS_OLD;
55     - } else {
56     - status = TS_CURRENT;
57     + if (timevalisset(&mtime)) {
58     + /* Negative timeouts only expire manually (sudo -k). */
59     + if (def_timestamp_timeout < 0) {
60     + status = TS_CURRENT;
61     + } else {
62     + now = time(NULL);
63     + if (def_timestamp_timeout &&
64     + now - mtime.tv_sec < 60 * def_timestamp_timeout) {
65     + /*
66     + * Check for bogus time on the stampfile. The clock may
67     + * have been set back or user could be trying to spoof us.
68     + */
69     + if (mtime.tv_sec > now + 60 * def_timestamp_timeout * 2) {
70     + time_t tv_sec = (time_t)mtime.tv_sec;
71     + log_error(0,
72     + _("timestamp too far in the future: %20.20s"),
73     + 4 + ctime(&tv_sec));
74     + if (timestampfile)
75     + (void) unlink(timestampfile);
76     + else
77     + (void) rmdir(timestampdir);
78     + status = TS_MISSING;
79     + } else if (get_boottime(&boottime) &&
80     + timevalcmp(&mtime, &boottime, <)) {
81     + status = TS_OLD;
82     + } else {
83     + status = TS_CURRENT;
84     + }
85     }
86     }
87     }
88     diff -up sudo-1.8.6p3/plugins/sudoers/sudoers.c.CVE-2013 sudo-1.8.6p3/plugins/sudoers/sudoers.c
89     --- sudo-1.8.6p3/plugins/sudoers/sudoers.c.CVE-2013 2013-10-07 14:29:09.758620785 +0200
90     +++ sudo-1.8.6p3/plugins/sudoers/sudoers.c 2013-10-07 14:29:40.710731072 +0200
91     @@ -1429,6 +1429,10 @@ deserialize_info(char * const args[], ch
92     sudo_user.cols = atoi(*cur + sizeof("cols=") - 1);
93     continue;
94     }
95     + if (MATCHES(*cur, "sid=")) {
96     + sudo_user.sid = atoi(*cur + sizeof("sid=") - 1);
97     + continue;
98     + }
99     }
100     if (user_cwd == NULL)
101     user_cwd = "unknown";
102     diff -up sudo-1.8.6p3/plugins/sudoers/sudoers.h.CVE-2013 sudo-1.8.6p3/plugins/sudoers/sudoers.h
103     --- sudo-1.8.6p3/plugins/sudoers/sudoers.h.CVE-2013 2013-10-07 14:29:21.401662293 +0200
104     +++ sudo-1.8.6p3/plugins/sudoers/sudoers.h 2013-10-07 14:29:40.711731073 +0200
105     @@ -95,6 +95,7 @@ struct sudo_user {
106     int flags;
107     uid_t uid;
108     uid_t gid;
109     + pid_t sid;
110     };
111    
112     /*
113     @@ -172,8 +173,8 @@ struct sudo_user {
114     #define user_name (sudo_user.name)
115     #define user_uid (sudo_user.uid)
116     #define user_gid (sudo_user.gid)
117     +#define user_sid (sudo_user.sid)
118     #define user_passwd (sudo_user.pw->pw_passwd)
119     -#define user_uuid (sudo_user.uuid)
120     #define user_dir (sudo_user.pw->pw_dir)
121     #define user_gids (sudo_user.gids)
122     #define user_ngids (sudo_user.ngids)
123     diff -up sudo-1.8.6p3/src/ttyname.c.CVE-2013 sudo-1.8.6p3/src/ttyname.c
124     --- sudo-1.8.6p3/src/ttyname.c.CVE-2013 2013-10-07 14:28:12.969413189 +0200
125     +++ sudo-1.8.6p3/src/ttyname.c 2013-10-07 14:29:34.954709709 +0200
126     @@ -1,5 +1,5 @@
127     /*
128     - * Copyright (c) 2012 Todd C. Miller <Todd.Miller@courtesan.com>
129     + * Copyright (c) 2012-2013 Todd C. Miller <Todd.Miller@courtesan.com>
130     *
131     * Permission to use, copy, modify, and distribute this software for any
132     * purpose with or without fee is hereby granted, provided that the above
133     @@ -377,14 +377,6 @@ get_process_ttyname(void)
134     }
135     efree(ki_proc);
136    
137     - /* If all else fails, fall back on ttyname(). */
138     - if (tty == NULL) {
139     - if ((tty = ttyname(STDIN_FILENO)) != NULL ||
140     - (tty = ttyname(STDOUT_FILENO)) != NULL ||
141     - (tty = ttyname(STDERR_FILENO)) != NULL)
142     - tty = estrdup(tty);
143     - }
144     -
145     debug_return_str(tty);
146     }
147     #elif defined(HAVE_STRUCT_PSINFO_PR_TTYDEV)
148     @@ -416,14 +408,6 @@ get_process_ttyname(void)
149     }
150     }
151    
152     - /* If all else fails, fall back on ttyname(). */
153     - if (tty == NULL) {
154     - if ((tty = ttyname(STDIN_FILENO)) != NULL ||
155     - (tty = ttyname(STDOUT_FILENO)) != NULL ||
156     - (tty = ttyname(STDERR_FILENO)) != NULL)
157     - tty = estrdup(tty);
158     - }
159     -
160     debug_return_str(tty);
161     }
162     #elif defined(__linux__)
163     @@ -442,7 +426,7 @@ get_process_ttyname(void)
164     int i;
165     debug_decl(get_process_ttyname, SUDO_DEBUG_UTIL)
166    
167     - /* Try to determine the tty from pr_ttydev in /proc/pid/psinfo. */
168     + /* Try to determine the tty from tty_nr in /proc/pid/stat. */
169     for (i = 0; tty == NULL && i < 2; i++) {
170     FILE *fp;
171     char path[PATH_MAX];
172     @@ -470,14 +454,6 @@ get_process_ttyname(void)
173     }
174     efree(line);
175    
176     - /* If all else fails, fall back on ttyname(). */
177     - if (tty == NULL) {
178     - if ((tty = ttyname(STDIN_FILENO)) != NULL ||
179     - (tty = ttyname(STDOUT_FILENO)) != NULL ||
180     - (tty = ttyname(STDERR_FILENO)) != NULL)
181     - tty = estrdup(tty);
182     - }
183     -
184     debug_return_str(tty);
185     }
186     #else
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