SB2018090315 - Multiple vulnerabilities in Sourceware elfutils

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Main Vulnerability Database SB2018090315

SB2018090315 - Multiple vulnerabilities in Sourceware elfutils

Published: September 3, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018090315
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Double Free (CVE-ID: CVE-2018-16402)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact because it tries to decompress twice.


2) Out-of-bounds read (CVE-ID: CVE-2018-16403)

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

libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.


Remediation

Install update from vendor's website.

References