CVE-2018-11237

moderate-risk
Published 2018-05-18

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.

Do I need to act?

-
0.80% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (15)

Element Software Management

Affected Vendors

Redhat Gnu Oracle Canonical Netapp

References (18)

Broken Link http://www.securityfocus.com/bid/104256
Third Party Advisory https://access.redhat.com/errata/RHBA-2019:0327
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3092
Broken Link https://security.netapp.com/advisory/ntap-20190329-0001/
Third Party Advisory https://security.netapp.com/advisory/ntap-20190401-0001/
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=23196
Third Party Advisory https://usn.ubuntu.com/4416-1/
Broken Link https://www.exploit-db.com/exploits/44750/
Patch https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Broken Link http://www.securityfocus.com/bid/104256
Third Party Advisory https://access.redhat.com/errata/RHBA-2019:0327
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3092
Broken Link https://security.netapp.com/advisory/ntap-20190329-0001/
Third Party Advisory https://security.netapp.com/advisory/ntap-20190401-0001/
Issue Tracking https://sourceware.org/bugzilla/show_bug.cgi?id=23196
Third Party Advisory https://usn.ubuntu.com/4416-1/
Broken Link https://www.exploit-db.com/exploits/44750/
Patch https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
45
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 3/34 · Minimal
Exposure 18/34 · Moderate