Multiple vulnerabilities in libdwarf

Published: 2017-01-23 | Updated: 2020-08-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2016-7511 CVE-2016-7410
CWE-ID	CWE-190 CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	libdwarf Universal components / Libraries / Libraries used by multiple products
Vendor	David Anderson

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU39640

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-7511

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Integer overflow in the dwarf_die_deliv.c in libdwarf 20160613 allows remote attackers to cause a denial of service (crash) via a crafted file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libdwarf: 20160613

CPE2.3

cpe:2.3:a:davea42:libdwarf:20160613:*:*:*:*:*:*:*

External links

https://sourceforge.net/p/libdwarf/bugs/3/
https://www.prevanders.net/dwarfbug.html#DW201609-002

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.

2) Out-of-bounds read

EUVDB-ID: #VU39797