#VU39997 Buffer overflow in libdwarf - CVE-2016-9480

Vulnerability identifier: #VU39997

Vulnerability risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-9480

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libdwarf
Universal components / Libraries / Libraries used by multiple products

Vendor: David Anderson

Description

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

libdwarf 2016-10-21 allows context-dependent attackers to obtain sensitive information or cause a denial of service by using the "malformed dwarf file" approach, related to a "Heap Buffer Over-read" issue affecting the dwarf_util.c component, aka DW201611-006.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libdwarf: 2016-10-21

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External links
https://www.securityfocus.com/bid/94980
https://sourceforge.net/p/libdwarf/bugs/5/
https://sourceforge.net/p/libdwarf/code/ci/5dd64de047cd5ec479fb11fe7ff2692fd819e5e5/
https://www.prevanders.net/dwarfbug.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.