espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-09-10 23:57:03 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix check for buffer overflow when processing version information.

Browse Source 
PR binutils/21148
	* readelf.c (process_version_sections): Include size of auxillary
	version information when checking for buffer overflow.
This commit is contained in:
Nick Clifton
2017-02-13 14:35:24 +00:00
parent 0ee3043f58
commit 4aeb00ad3c
2 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
binutils/ChangeLog
View File

@ -1,3 +1,9 @@
2017-02-13 Nick Clifton <nickc@redhat.com>
PR binutils/21148
* readelf.c (process_version_sections): Include size of auxillary
version information when checking for buffer overflow.
2017-02-13 Nick Clifton <nickc@redhat.com> 2017-02-13 Nick Clifton <nickc@redhat.com>
PR binutils/21147 PR binutils/21147

2
binutils/readelf.c
View File

@ -10019,7 +10019,7 @@ process_version_sections (FILE * file)
ent.vd_ndx, ent.vd_cnt); ent.vd_ndx, ent.vd_cnt);
/* Check for overflow. */ /* Check for overflow. */
if (ent.vd_aux > (size_t) (endbuf - vstart)) if (ent.vd_aux + sizeof (* eaux) > (size_t) (endbuf - vstart))
break; break;
vstart += ent.vd_aux; vstart += ent.vd_aux;