diff options
Diffstat (limited to 'package/tmux/0001-Do-not-write-after-the-end-of-the-array-and-overwrit.patch')
| -rw-r--r-- | package/tmux/0001-Do-not-write-after-the-end-of-the-array-and-overwrit.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/package/tmux/0001-Do-not-write-after-the-end-of-the-array-and-overwrit.patch b/package/tmux/0001-Do-not-write-after-the-end-of-the-array-and-overwrit.patch new file mode 100644 index 0000000000..d169322ed7 --- /dev/null +++ b/package/tmux/0001-Do-not-write-after-the-end-of-the-array-and-overwrit.patch @@ -0,0 +1,35 @@ +From a868bacb46e3c900530bed47a1c6f85b0fbe701c Mon Sep 17 00:00:00 2001 +From: nicm <nicm> +Date: Thu, 29 Oct 2020 16:33:01 +0000 +Subject: [PATCH] Do not write after the end of the array and overwrite the + stack when colon-separated SGR sequences contain empty arguments. Reported by + Sergey Nizovtsev. + +[Peter: Fixes CVE-2020-27347] +Signed-off-by: Peter Korsgaard <peter@korsgaard.com> +--- + input.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/input.c b/input.c +index 42a60c92..c280c0d9 100644 +--- a/input.c ++++ b/input.c +@@ -1976,8 +1976,13 @@ input_csi_dispatch_sgr_colon(struct input_ctx *ictx, u_int i) + free(copy); + return; + } +- } else ++ } else { + n++; ++ if (n == nitems(p)) { ++ free(copy); ++ return; ++ } ++ } + log_debug("%s: %u = %d", __func__, n - 1, p[n - 1]); + } + free(copy); +-- +2.20.1 + |