[arch-security] [ASA-201601-22] libdwarf: denial of service
anthraxx at archlinux.org
Thu Jan 21 11:34:57 UTC 2016
Arch Linux Security Advisory ASA-201601-22
Date : 2016-01-21
CVE-ID : CVE-2015-8750
Package : libdwarf
Type : denial of service
Remote : No
Link : https://wiki.archlinux.org/index.php/CVE
The package libdwarf before version 20160115-1 is vulnerable to denial
Upgrade to 20160115-1.
# pacman -Syu "libdwarf>=20160115-1"
The problem has been fixed upstream in version 20160115.
A problem has been discovered when the debug_abbrev section is marked as
NOBITS in the ELF file - in other words as a zero-init section rather
than a section with contents in the file. Such a crafted section is
leading to a null pointer dereference resulting in denial of service.
A local attacker is able to create a specially crafted file with
zero-init section that, when processed, is leading to a denial of service.
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