diff options
Diffstat (limited to 'gnu/packages/patches/slock-CVE-2016-6866.patch')
| -rw-r--r-- | gnu/packages/patches/slock-CVE-2016-6866.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/packages/patches/slock-CVE-2016-6866.patch b/gnu/packages/patches/slock-CVE-2016-6866.patch new file mode 100644 index 0000000000..2f94b8c1a9 --- /dev/null +++ b/gnu/packages/patches/slock-CVE-2016-6866.patch @@ -0,0 +1,51 @@ +Fix CVE-2016-6866. + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6866 +https://security-tracker.debian.org/tracker/CVE-2016-6866 + +Copied from upstream source repository: +http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29 + +From d8bec0f6fdc8a246d78cb488a0068954b46fcb29 Mon Sep 17 00:00:00 2001 +From: Markus Teich <markus.teich@stusta.mhn.de> +Date: Tue, 30 Aug 2016 22:59:06 +0000 +Subject: fix CVE-2016-6866 + +--- +diff --git a/slock.c b/slock.c +index 847b328..8ed59ca 100644 +--- a/slock.c ++++ b/slock.c +@@ -123,7 +123,7 @@ readpw(Display *dpy) + readpw(Display *dpy, const char *pws) + #endif + { +- char buf[32], passwd[256]; ++ char buf[32], passwd[256], *encrypted; + int num, screen; + unsigned int len, color; + KeySym ksym; +@@ -159,7 +159,11 @@ readpw(Display *dpy, const char *pws) + #ifdef HAVE_BSD_AUTH + running = !auth_userokay(getlogin(), NULL, "auth-slock", passwd); + #else +- running = !!strcmp(crypt(passwd, pws), pws); ++ errno = 0; ++ if (!(encrypted = crypt(passwd, pws))) ++ fprintf(stderr, "slock: crypt: %s\n", strerror(errno)); ++ else ++ running = !!strcmp(encrypted, pws); + #endif + if (running) { + XBell(dpy, 100); +@@ -312,6 +316,8 @@ main(int argc, char **argv) { + + #ifndef HAVE_BSD_AUTH + pws = getpw(); ++ if (strlen(pws) < 2) ++ die("slock: failed to get user password hash.\n"); + #endif + + if (!(dpy = XOpenDisplay(NULL))) +-- +cgit v0.9.0.3-65-g4555 |