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CVE-2018-11237

Date: May 18, 2018

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

Language: C

Severity Score

Related Resources (13)

https://usn.ubuntu.com/4416-1/
https://www.exploit-db.com/exploits/44750/
http://www.securityfocus.com/bid/104256
https://access.redhat.com/errata/RHSA-2018:3092
https://security.netapp.com/advisory/ntap-20190401-0001/
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://sourceware.org/bugzilla/show_bug.cgi?id=23196
https://access.redhat.com/security/cve/CVE-2018-11237
https://security-tracker.debian.org/tracker/CVE-2018-11237
https://security.netapp.com/advisory/ntap-20190329-0001/
https://access.redhat.com/errata/RHBA-2019:0327
https://nvd.nist.gov/vuln/detail/CVE-2018-11237
https://www.mend.io/vulnerability-database/CVE-2018-11237

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3.1

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

CVSS v2

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

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