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| author | Kees Cook <kees@debian.org> | 2011-10-27 17:49:16 -0700 |
|---|---|---|
| committer | Steve Langasek <vorlon@debian.org> | 2019-01-08 22:11:47 -0800 |
| commit | 984b113a7d1f757d7695b544497cb7ad36400816 (patch) | |
| tree | 5769ee10d173dcf5e1326c7d7c5d406aaa0eefb1 /debian/patches-applied/pam_env-fix-dos.patch | |
| parent | bb19334f8624b2e67fc3fd641fde3809b94f56df (diff) | |
| download | pam-984b113a7d1f757d7695b544497cb7ad36400816.tar.gz pam-984b113a7d1f757d7695b544497cb7ad36400816.tar.bz2 pam-984b113a7d1f757d7695b544497cb7ad36400816.zip | |
* debian/patches-applied/pam_env-fix-overflow.patch: fix stack overflow
in environment file parsing (CVE-2011-3148).
* debian/patches-applied/pam_env-fix-dos.patch: fix DoS in environment
file parsing (CVE-2011-3149).
Diffstat (limited to 'debian/patches-applied/pam_env-fix-dos.patch')
| -rw-r--r-- | debian/patches-applied/pam_env-fix-dos.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/debian/patches-applied/pam_env-fix-dos.patch b/debian/patches-applied/pam_env-fix-dos.patch new file mode 100644 index 00000000..523e1390 --- /dev/null +++ b/debian/patches-applied/pam_env-fix-dos.patch @@ -0,0 +1,33 @@ +Description: abort when encountering an overflowed environment variable + expansion (CVE-2011-3149). +Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565 +Author: Kees Cook <kees@debian.org> + +Index: pam-debian/modules/pam_env/pam_env.c +=================================================================== +--- pam-debian.orig/modules/pam_env/pam_env.c 2011-10-14 12:47:23.433861595 -0700 ++++ pam-debian/modules/pam_env/pam_env.c 2011-10-14 12:47:23.461861963 -0700 +@@ -567,6 +567,7 @@ + D(("Variable buffer overflow: <%s> + <%s>", tmp, tmpptr)); + pam_syslog (pamh, LOG_ERR, "Variable buffer overflow: <%s> + <%s>", + tmp, tmpptr); ++ return PAM_ABORT; + } + continue; + } +@@ -628,6 +629,7 @@ + D(("Variable buffer overflow: <%s> + <%s>", tmp, tmpptr)); + pam_syslog (pamh, LOG_ERR, + "Variable buffer overflow: <%s> + <%s>", tmp, tmpptr); ++ return PAM_ABORT; + } + } + } /* if ('{' != *orig++) */ +@@ -639,6 +641,7 @@ + D(("Variable buffer overflow: <%s> + <%s>", tmp, tmpptr)); + pam_syslog(pamh, LOG_ERR, + "Variable buffer overflow: <%s> + <%s>", tmp, tmpptr); ++ return PAM_ABORT; + } + } + } /* for (;*orig;) */ |