CVE-2023-0687

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Summary

CVECVE-2023-0687
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-06 19:15:10 UTC
Updated2026-10-14 21:17:14 UTC
DescriptionA vulnerability was found in GNU C Library 2.38. It has been declared as critical. This vulnerability affects the function __monstartup of the file gmon.c of the component Call Graph Monitor. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix this issue. VDB-220246 is the identifier assigned to this vulnerability. NOTE: The real existence of this vulnerability is still doubted at the moment. The inputs that induce this vulnerability are basically addresses of the running application that is built with gmon enabled. It's basically trusted input or input that needs an actual security flaw to be compromised or controlled.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.010940000 probability, percentile 0.648210000 (date 2026-10-14)

Problem Types: CWE-120 | CWE-120 CWE-120 Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary4.6MEDIUMCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED4.6MEDIUMCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
3.0CNADECLARED4.6MEDIUMCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
2.0[email protected]Primary4AV:A/AC:H/Au:S/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
High
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:A/AC:H/Au:S/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnu Glibc All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GNU C Library affected 2.38 Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
Login required af854a3a-2127-422b-91ae-364da2661108 vuldb.com Permissions Required, Third Party Advisory
gmon: Fix allocated buffer overflow (bug 2944) - Patchwork af854a3a-2127-422b-91ae-364da2661108 patchwork.sourceware.org Patch
29444 – gmon memory corruption due wrong calculation of required buffer size af854a3a-2127-422b-91ae-364da2661108 sourceware.org Issue Tracking, Patch, Third Party Advisory
Login required af854a3a-2127-422b-91ae-364da2661108 vuldb.com Permissions Required, Third Party Advisory
gmon: Fix allocated buffer overflow (bug 2944) - Patchwork MITRE patchwork.sourceware.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 672992 EulerOS Security Update for glibc (EulerOS-SA-2023-1842)
  • 673003 EulerOS Security Update for glibc (EulerOS-SA-2023-1867)
  • 673035 EulerOS Security Update for glibc (EulerOS-SA-2023-1952)
  • 673053 EulerOS Security Update for glibc (EulerOS-SA-2023-1974)
  • 673129 EulerOS Security Update for glibc (EulerOS-SA-2023-2290)
  • 673167 EulerOS Security Update for glibc (EulerOS-SA-2023-2266)
  • 753882 SUSE Enterprise Linux Security Update for glibc (SUSE-SU-2023:1718-1)
  • 754877 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2023:3695-1)
  • 754965 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2023:3825-1)
  • 905462 Common Base Linux Mariner (CBL-Mariner) Security Update for glibc (13320)
  • 905467 Common Base Linux Mariner (CBL-Mariner) Security Update for glibc (13348)

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