From: Peter Marko <[email protected]> Pick patch which references vulnerability report [1] linked in NVD report (see NEWS file).
[1] https://www.openwall.com/lists/oss-security/2026/03/13/1 Signed-off-by: Peter Marko <[email protected]> --- .../inetutils/inetutils/CVE-2026-32772.patch | 138 ++++++++++++++++++ .../inetutils/inetutils_2.7.bb | 1 + 2 files changed, 139 insertions(+) create mode 100644 meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32772.patch diff --git a/meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32772.patch b/meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32772.patch new file mode 100644 index 0000000000..232774195f --- /dev/null +++ b/meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32772.patch @@ -0,0 +1,138 @@ +From d6b8b83aa51616946fd314bc48087312d13c99f8 Mon Sep 17 00:00:00 2001 +From: Collin Funk <[email protected]> +Date: Thu, 26 Mar 2026 22:52:54 -0700 +Subject: [PATCH] telnet: don't leak the value of unexported environment + variables + +Patch based on the following OpenBSD commit: +<https://github.com/openbsd/src/commit/1a11dc7253488a97d6df686dae9230f78682e8df> + +* NEWS.md: Mention the fix. +* telnet/commands.c (env_getvalue): Add a boolean argument to prevent +prevent unexported variables from being returned. +* telnet/externs.h (env_getvalue): Adjust the function declaration. +* telnet/authenc.c (telnet_getenv): Add the new argument. +* telnet/telnet.c (dooption, gettermname, suboption, env_opt_add) +(telnet): Likewise. + +CVE: CVE-2026-32772 +Upstream-Status: Backport [https://cgit.git.savannah.gnu.org/cgit/inetutils.git/commit/?id=d6b8b83aa51616946fd314bc48087312d13c99f8] +Signed-off-by: Peter Marko <[email protected]> +--- + NEWS | 5 +++++ + telnet/authenc.c | 2 +- + telnet/commands.c | 6 ++---- + telnet/externs.h | 3 ++- + telnet/telnet.c | 10 +++++----- + 5 files changed, 15 insertions(+), 11 deletions(-) + +diff --git a/NEWS b/NEWS +index 08370442..6e259e02 100644 +--- a/NEWS ++++ b/NEWS +@@ -1,5 +1,10 @@ + GNU inetutils NEWS -- history of user-visible changes. + ++** telnet no longer leaks the value of unexported environment variables ++to servers sending the NEW-ENVIRON SEND USERVAR command. ++Reported by Justin Swartz in ++<https://www.openwall.com/lists/oss-security/2026/03/13/1>. ++ + ** telnetd no longer allows clients to write past the end of a stack + allocated buffer, possibly leading to remote code execution, using an + SLC suboption with many triplets using function octets greater than 18. +diff --git a/telnet/authenc.c b/telnet/authenc.c +index 2706c9f8..f8daea9d 100644 +--- a/telnet/authenc.c ++++ b/telnet/authenc.c +@@ -93,7 +93,7 @@ telnet_spin (void) + char * + telnet_getenv (char *val) + { +- return ((char *) env_getvalue (val)); ++ return (char *) env_getvalue (val, false); + } + + char * +diff --git a/telnet/commands.c b/telnet/commands.c +index 4967559b..9d85df73 100644 +--- a/telnet/commands.c ++++ b/telnet/commands.c +@@ -2050,12 +2050,10 @@ env_default (int init, int welldefined) + } + + unsigned char * +-env_getvalue (const char *var) ++env_getvalue (const char *var, bool exported_only) + { + struct env_lst *ep = env_find (var); +- if (ep) +- return (ep->value); +- return (NULL); ++ return ep && (! exported_only || ep->export) ? ep->value : NULL; + } + + #if defined OLD_ENVIRON && defined ENV_HACK +diff --git a/telnet/externs.h b/telnet/externs.h +index c1f5850e..0adc295a 100644 +--- a/telnet/externs.h ++++ b/telnet/externs.h +@@ -331,7 +331,8 @@ env_opt (unsigned char *, int), + env_opt_start (void), + env_opt_start_info (void), env_opt_add (unsigned char *), env_opt_end (int); + +-extern unsigned char *env_default (int, int), *env_getvalue (const char *); ++extern unsigned char *env_default (int, int); ++extern unsigned char *env_getvalue (const char *, bool); + + int dosynch (const char *); + int get_status (const char *); +diff --git a/telnet/telnet.c b/telnet/telnet.c +index 6b0befc3..f83dfc18 100644 +--- a/telnet/telnet.c ++++ b/telnet/telnet.c +@@ -496,7 +496,7 @@ dooption (int option) + #endif + + case TELOPT_XDISPLOC: /* X Display location */ +- if (env_getvalue ("DISPLAY")) ++ if (env_getvalue ("DISPLAY", false)) + new_state_ok = 1; + break; + +@@ -793,7 +793,7 @@ gettermname (void) + resettermname = 0; + if (tnamep && tnamep != unknown) + free (tnamep); +- if ((tname = (char *) env_getvalue ("TERM")) && ++ if ((tname = (char *) env_getvalue ("TERM", false)) && + (init_term (tname, &err) == 0)) + { + tnamep = mklist (termbuf, tname); +@@ -992,7 +992,7 @@ suboption (void) + unsigned char temp[50], *dp; + int len; + +- if ((dp = env_getvalue ("DISPLAY")) == NULL) ++ if ((dp = env_getvalue ("DISPLAY", false)) == NULL) + { + /* + * Something happened, we no longer have a DISPLAY +@@ -1727,7 +1727,7 @@ env_opt_add (unsigned char *ep) + env_opt_add (ep); + return; + } +- vp = env_getvalue ((char *) ep); ++ vp = env_getvalue ((char *) ep, true); + if (opt_replyp + (vp ? strlen ((char *) vp) : 0) + + strlen ((char *) ep) + 6 > opt_replyend) + { +@@ -2484,7 +2484,7 @@ telnet (char *user) + send_will (TELOPT_LINEMODE, 1); + send_will (TELOPT_NEW_ENVIRON, 1); + send_do (TELOPT_STATUS, 1); +- if (env_getvalue ("DISPLAY")) ++ if (env_getvalue ("DISPLAY", false)) + send_will (TELOPT_XDISPLOC, 1); + if (eight) + tel_enter_binary (eight); diff --git a/meta/recipes-connectivity/inetutils/inetutils_2.7.bb b/meta/recipes-connectivity/inetutils/inetutils_2.7.bb index a3b0b20768..eb8b669e7c 100644 --- a/meta/recipes-connectivity/inetutils/inetutils_2.7.bb +++ b/meta/recipes-connectivity/inetutils/inetutils_2.7.bb @@ -22,6 +22,7 @@ SRC_URI = "${GNU_MIRROR}/inetutils/inetutils-${PV}.tar.gz \ file://CVE-2026-24061-02.patch \ file://CVE-2026-28372.patch \ file://CVE-2026-32746.patch \ + file://CVE-2026-32772.patch \ " inherit autotools gettext update-alternatives texinfo
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