Out-of-bounds read in Sourceware elfutils

1) Out-of-bounds read

EUVDB-ID: #VU31220

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-2018-16062

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in dwarf_getaranges in dwarf_getaranges.c in libdw in elfutils before 2018-08-18. A remote attacker can perform a denial of service (heap-based buffer over-read) via a crafted file.

Mitigation

Update to version 0.174.

Vulnerable software versions

elfutils: 0.133 - 0.173

CPE2.3

• cpe:2.3:a:sourceware:elfutils:0.133:*:*:*:*:*:*:*
• cpe:2.3:a:sourceware:elfutils:0.134:*:*:*:*:*:*:*
• cpe:2.3:a:sourceware:elfutils:0.135:*:*:*:*:*:*:*

External links

https://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
https://access.redhat.com/errata/RHSA-2019:2197
https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
https://sourceware.org/bugzilla/show_bug.cgi?id=23541
https://sourceware.org/git/?p=elfutils.git;a=commit;h=29e31978ba51c1051743a503ee325b5ebc03d7e9
https://usn.ubuntu.com/4012-1/

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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