import UBI openssh-8.7p1-47.el9_7

This commit is contained in:
eabdullin 2025-12-18 00:42:46 +00:00
parent 631f195fc3
commit 4acf59bd8f
3 changed files with 87 additions and 1 deletions

View File

@ -0,0 +1,59 @@
diff --color -ruNp a/ssh.c b/ssh.c
--- a/ssh.c 2025-12-09 17:16:21.659356384 +0100
+++ b/ssh.c 2025-12-09 17:32:17.419007807 +0100
@@ -653,6 +653,8 @@ valid_ruser(const char *s)
if (*s == '-')
return 0;
for (i = 0; s[i] != 0; i++) {
+ if (iscntrl((u_char)s[i]))
+ return 0;
if (strchr("'`\";&<>|(){}", s[i]) != NULL)
return 0;
/* Disallow '-' after whitespace */
@@ -674,6 +676,7 @@ main(int ac, char **av)
struct ssh *ssh = NULL;
int i, r, opt, exit_status, use_syslog, direct, timeout_ms;
int was_addr, config_test = 0, opt_terminated = 0, want_final_pass = 0;
+ int user_on_commandline = 0;
char *p, *cp, *line, *argv0, *logfile, *host_arg;
char cname[NI_MAXHOST], thishost[NI_MAXHOST];
struct stat st;
@@ -1024,8 +1027,10 @@ main(int ac, char **av)
}
break;
case 'l':
- if (options.user == NULL)
+ if (options.user == NULL) {
options.user = optarg;
+ user_on_commandline = 1;
+ }
break;
case 'L':
@@ -1128,6 +1133,7 @@ main(int ac, char **av)
if (options.user == NULL) {
options.user = tuser;
tuser = NULL;
+ user_on_commandline = 1;
}
free(tuser);
if (options.port == -1 && tport != -1)
@@ -1142,6 +1148,7 @@ main(int ac, char **av)
if (options.user == NULL) {
options.user = p;
p = NULL;
+ user_on_commandline = 1;
}
*cp++ = '\0';
host = xstrdup(cp);
@@ -1435,6 +1442,10 @@ main(int ac, char **av)
(unsigned long long)pw->pw_uid);
cinfo->keyalias = xstrdup(options.host_key_alias ?
options.host_key_alias : host_arg);
+
+ if (user_on_commandline && !valid_ruser(options.user))
+ fatal("remote username contains invalid characters");
+
cinfo->conn_hash_hex = ssh_connection_hash(cinfo->thishost, host,
cinfo->portstr, options.user);
cinfo->host_arg = xstrdup(host_arg);

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@ -0,0 +1,15 @@
diff --color -ruNp a/misc.c b/misc.c
--- a/misc.c 2025-12-09 17:16:21.637368818 +0100
+++ b/misc.c 2025-12-09 17:48:22.679192853 +0100
@@ -936,9 +936,10 @@ urldecode(const char *src)
*dst++ = ' ';
break;
case '%':
+ /* note: don't allow \0 characters */
if (!isxdigit((unsigned char)src[1]) ||
!isxdigit((unsigned char)src[2]) ||
- (ch = hexchar(src + 1)) == -1) {
+ (ch = hexchar(src + 1)) == -1 || ch == 0) {
free(ret);
return NULL;
}

View File

@ -47,7 +47,7 @@
# Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1
%global openssh_ver 8.7p1
%global openssh_rel 46
%global openssh_rel 47
%global pam_ssh_agent_ver 0.10.4
%global pam_ssh_agent_rel 5
@ -300,6 +300,10 @@ Patch1024: openssh-8.7p1-allow-duplicate-subsystem.patch
# upstream 6ce00f0c2ecbb9f75023dbe627ee6460bcec78c2
# upstream 0832aac79517611dd4de93ad0a83577994d9c907
Patch1025: openssh-9.9p2-error_processing.patch
# upstream 35d5917652106aede47621bb3f64044604164043
Patch1026: openssh-8.7p1-reject-cntrl-chars-in-username.patch
# upstream 43b3bff47bb029f2299bacb6a36057981b39fdb0
Patch1027: openssh-8.7p1-reject-null-char-in-url-string.patch
License: BSD
Requires: /sbin/nologin
@ -530,6 +534,8 @@ popd
%patch1023 -p1 -b .openssl-log
%patch1024 -p1 -b .allow-dup-subsystem
%patch1025 -p1 -b .errcode_set
%patch1026 -p1 -b .reject-cntrl-chars-in-username
%patch1027 -p1 -b .reject-null-char-in-url-string
autoreconf
pushd pam_ssh_agent_auth-pam_ssh_agent_auth-%{pam_ssh_agent_ver}
@ -817,6 +823,12 @@ test -f %{sysconfig_anaconda} && \
%endif
%changelog
* Tue Dec 09 2025 Zoltan Fridrich <zfridric@redhat.com> - 8.7p1-47
- CVE-2025-61984: Reject usernames with control characters
Resolves: RHEL-128401
- CVE-2025-61985: Reject URL-strings with NULL characters
Resolves: RHEL-128392
* Mon Jul 21 2025 Zoltan Fridrich <zfridric@redhat.com> - 8.7p1-46
- Move the redhat help message to debug1 log level
Resolves: RHEL-104580