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devel:ARM:Factory:Contrib:ILP32
gammu
0001-Fix-buffer-overflow-in-Backup.Creator.patch
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File 0001-Fix-buffer-overflow-in-Backup.Creator.patch of Package gammu
From ec7e2902c19a886578062979e2749372bfea0380 Mon Sep 17 00:00:00 2001 From: Martin Liska <mliska@suse.cz> Date: Mon, 20 Jun 2022 10:24:13 +0200 Subject: [PATCH] Fix buffer overflow in Backup.Creator I noticed that while testing the upcoming GCC 12 with -D_FORTIFY_SOURCE=3: here I have $1 = 0x7ffff7f0f940 <Buffer.1.lto_priv.1> "Linux, kernel 5.16.14-1-default (#1 SMP PREEMPT Fri Mar 11 12:33:34 UTC 2022 (80acc65))" (gdb) p (int)strlen(GetOS()) $3 = 87 so GetOS() returns 87 chars while: include/gammu-backup.h: char Creator[80]; Fixes: #701 --- include/gammu-backup.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/gammu-backup.h b/include/gammu-backup.h index e7fbc6e74..d5574ea7a 100644 --- a/include/gammu-backup.h +++ b/include/gammu-backup.h @@ -218,7 +218,7 @@ typedef struct { /** * Name of program which created backup */ - char Creator[80]; + char Creator[512]; /** * Timestamp of backup */ -- 2.36.1
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