#VU31220 Out-of-bounds read in elfutils - CVE-2018-16062

Vulnerability identifier: #VU31220

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
elfutils
Server applications / File servers (FTP/HTTP)

Vendor: Sourceware

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

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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/

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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.