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Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') Affecting glibc-common package, versions *

medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.08% (36th percentile)
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NVD
7.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-CENTOS6-GLIBCCOMMON-1984373
  • published 26 Jul 2021
  • disclosed 17 Dec 2017
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Introduced: 17 Dec 2017

CVE-2017-16997 Open this link in a new tab
CWE-470 Open this link in a new tab

How to fix?

There is no fixed version for Centos:6 glibc-common.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-common package and not the glibc-common package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

elf/dl-load.c in the GNU C Library (aka glibc or libc6) 2.19 through 2.26 mishandles RPATH and RUNPATH containing $ORIGIN for a privileged (setuid or AT_SECURE) program, which allows local users to gain privileges via a Trojan horse library in the current working directory, related to the fillin_rpath and decompose_rpath functions. This is associated with misinterpretion of an empty RPATH/RUNPATH token as the "./" directory. NOTE: this configuration of RPATH/RUNPATH for a privileged program is apparently very uncommon; most likely, no such program is shipped with any common Linux distribution.