Home/CVE/In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly ret
CVE

CVE-2019-7309

In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly ret

In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.

MEDIUM · CVSS 5.5 EPSS 0.00217
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
gnu glibc<= 2.29
⚠

Public Exploits & PoCs

1
pocsourceware.org · show_bug.cgi?id=24155sourceware.org
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Feb 2019 · 02:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:10792-1
siemens-csafSSA-398330
msrcCVE-2019-7309
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-348-10
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/106835Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/202006-04
https://sourceware.org/ml/libc-alpha/2019-02/msg00041.htmlMailing ListThird Party Advisory
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