Arch Linux Security Advisory ASA-201707-7

Severity: Low
Date : 2017-07-11
CVE-ID : CVE-2017-9998
Package : libdwarf
Type : denial of service
Remote : No
Link : https://security.archlinux.org/AVG-332

Summary

The package libdwarf before version 20170709-1 is vulnerable to denial
of service.

Resolution

Upgrade to 20170709-1.

pacman -Syu “libdwarf>=20170709-1”

The problem has been fixed upstream in version 20170709.

Workaround

None.

Description

The _dwarf_decode_s_leb128_chk function in dwarf_leb.c in libdwarf
through 2017-06-28 allows attackers to cause a denial of service
(Segmentation fault) via a crafted file.

Impact

An attacker can cause a denial of service by tricking a local user into
submitting a crafted file to a program linked against libdwarf.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1465756
https://security.archlinux.org/CVE-2017-9998