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CVE-2018-6485

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Date: February 1, 2018

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.

Language: C

Severity Score

Related Resources (12)

https://usn.ubuntu.com/4416-1/
https://sourceware.org/bugzilla/show_bug.cgi?id=22343
https://access.redhat.com/errata/RHSA-2018:3092
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://access.redhat.com/security/cve/CVE-2018-6485
http://bugs.debian.org/878159
https://security.netapp.com/advisory/ntap-20190404-0003/
https://access.redhat.com/errata/RHBA-2019:0327
https://usn.ubuntu.com/4218-1/
https://nvd.nist.gov/vuln/detail/CVE-2018-6485
http://www.securityfocus.com/bid/102912
https://www.mend.io/vulnerability-database/CVE-2018-6485

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Out-of-bounds Write

CWE-787

Top Fix

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Upgrade Version

Upgrade to version glibc-2.27

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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