Allocation of Resources Without Limits or Throttling Affecting elfutils package, versions *


low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.14% (49th percentile)
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NVD
6.5 medium
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SUSE
6.5 medium

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  • Snyk ID SNYK-DEBIAN9-ELFUTILS-322428
  • published 29 Jan 2019
  • disclosed 29 Jan 2019

How to fix?

There is no fixed version for Debian:9 elfutils.

NVD Description

Note: Versions mentioned in the description apply only to the upstream elfutils package and not the elfutils package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

An attempted excessive memory allocation was discovered in the function read_long_names in elf_begin.c in libelf in elfutils 0.174. Remote attackers could leverage this vulnerability to cause a denial-of-service via crafted elf input, which leads to an out-of-memory exception. NOTE: The maintainers believe this is not a real issue, but instead a "warning caused by ASAN because the allocation is big. By setting ASAN_OPTIONS=allocator_may_return_null=1 and running the reproducer, nothing happens."

References