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[bug #59601] buffer over-read on malformed environment variable
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From: |
Dmitry Goncharov |
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Subject: |
[bug #59601] buffer over-read on malformed environment variable |
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Date: |
Sat, 5 Dec 2020 09:29:53 -0500 (EST) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 |
Follow-up Comment #2, bug #59601 (project make):
Thanks for your report. Here is a patch.
diff --git a/src/main.c b/src/main.c
index 9066513..64e2529 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1364,7 +1364,7 @@ main (int argc, char **argv, char **envp)
enum variable_export export = v_export;
size_t len;
- while (! STOP_SET (*ep, MAP_EQUALS))
+ while (! STOP_SET (*ep, MAP_EQUALS|MAP_NUL))
++ep;
/* If there's no equals sign it's a malformed environment. Ignore.
*/
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