diff options
| -rw-r--r-- | app-admin/sudo/files/sudo-1.9.12-CVE-2022-43995.patch | 53 | ||||
| -rw-r--r-- | app-admin/sudo/files/sudo-1.9.12-mips-build.patch | 33 |
2 files changed, 0 insertions, 86 deletions
diff --git a/app-admin/sudo/files/sudo-1.9.12-CVE-2022-43995.patch b/app-admin/sudo/files/sudo-1.9.12-CVE-2022-43995.patch deleted file mode 100644 index 2601669eecfd..000000000000 --- a/app-admin/sudo/files/sudo-1.9.12-CVE-2022-43995.patch +++ /dev/null @@ -1,53 +0,0 @@ -Bug: https://bugs.gentoo.org/879209 -Upstream: https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050 - -From bd209b9f16fcd1270c13db27ae3329c677d48050 Mon Sep 17 00:00:00 2001 -From: "Todd C. Miller" <Todd.Miller@sudo.ws> -Date: Fri, 28 Oct 2022 07:29:55 -0600 -Subject: [PATCH] Fix CVE-2022-43995, potential heap overflow for passwords < 8 - characters. Starting with sudo 1.8.0 the plaintext password buffer is - dynamically sized so it is not safe to assume that it is at least 9 bytes in - size. Found by Hugo Lefeuvre (University of Manchester) with ConfFuzz. - ---- - plugins/sudoers/auth/passwd.c | 11 +++++------ - 1 file changed, 5 insertions(+), 6 deletions(-) - -diff --git a/plugins/sudoers/auth/passwd.c b/plugins/sudoers/auth/passwd.c -index b2046eca2..0416861e9 100644 ---- a/plugins/sudoers/auth/passwd.c -+++ b/plugins/sudoers/auth/passwd.c -@@ -63,7 +63,7 @@ sudo_passwd_init(struct passwd *pw, sudo_auth *auth) - int - sudo_passwd_verify(struct passwd *pw, char *pass, sudo_auth *auth, struct sudo_conv_callback *callback) - { -- char sav, *epass; -+ char des_pass[9], *epass; - char *pw_epasswd = auth->data; - size_t pw_len; - int matched = 0; -@@ -75,12 +75,12 @@ sudo_passwd_verify(struct passwd *pw, char *pass, sudo_auth *auth, struct sudo_c - - /* - * Truncate to 8 chars if standard DES since not all crypt()'s do this. -- * If this turns out not to be safe we will have to use OS #ifdef's (sigh). - */ -- sav = pass[8]; - pw_len = strlen(pw_epasswd); -- if (pw_len == DESLEN || HAS_AGEINFO(pw_epasswd, pw_len)) -- pass[8] = '\0'; -+ if (pw_len == DESLEN || HAS_AGEINFO(pw_epasswd, pw_len)) { -+ strlcpy(des_pass, pass, sizeof(des_pass)); -+ pass = des_pass; -+ } - - /* - * Normal UN*X password check. -@@ -88,7 +88,6 @@ sudo_passwd_verify(struct passwd *pw, char *pass, sudo_auth *auth, struct sudo_c - * only compare the first DESLEN characters in that case. - */ - epass = (char *) crypt(pass, pw_epasswd); -- pass[8] = sav; - if (epass != NULL) { - if (HAS_AGEINFO(pw_epasswd, pw_len) && strlen(epass) == DESLEN) - matched = !strncmp(pw_epasswd, epass, DESLEN); diff --git a/app-admin/sudo/files/sudo-1.9.12-mips-build.patch b/app-admin/sudo/files/sudo-1.9.12-mips-build.patch deleted file mode 100644 index d45393dba443..000000000000 --- a/app-admin/sudo/files/sudo-1.9.12-mips-build.patch +++ /dev/null @@ -1,33 +0,0 @@ -https://github.com/sudo-project/sudo/commit/7944494196d4a9b33e0ae64a7e20f86e19c336d3 -https://bugs.gentoo.org/878401 - -From 7944494196d4a9b33e0ae64a7e20f86e19c336d3 Mon Sep 17 00:00:00 2001 -From: "Todd C. Miller" <Todd.Miller@sudo.ws> -Date: Wed, 26 Oct 2022 16:35:30 -0600 -Subject: [PATCH] Fix compilation error on Linux/mips. - ---- a/src/exec_ptrace.c -+++ b/src/exec_ptrace.c -@@ -282,16 +282,17 @@ set_sc_arg4(struct sudo_ptrace_regs *regs, unsigned long addr) - static bool - ptrace_getregs(int pid, struct sudo_ptrace_regs *regs, int compat) - { -+ struct iovec iov; - debug_decl(ptrace_getregs, SUDO_DEBUG_EXEC); - -+ iov.iov_base = ®s->u; -+ iov.iov_len = sizeof(regs->u); -+ - # ifdef __mips__ - /* PTRACE_GETREGSET has bugs with the MIPS o32 ABI at least. */ -- if (ptrace(PTRACE_GETREGS, pid, NULL, ®s->u) == -1) -+ if (ptrace(PTRACE_GETREGS, pid, NULL, iov.iov_base) == -1) - debug_return_bool(false); - # else -- struct iovec iov; -- iov.iov_base = ®s->u; -- iov.iov_len = sizeof(regs->u); - if (ptrace(PTRACE_GETREGSET, pid, (void *)NT_PRSTATUS, &iov) == -1) - debug_return_bool(false); - # endif /* __mips__ */ - |