CVE-2023-2953: Null Pointer Dereference

Published May 29, 2023
·
Updated

A vulnerability was found in openldap that can cause a null pointer dereference in the bermemallocx() function.

Other sources

A vulnerability was found in openldap. This security flaw causes a null pointer dereference in bermemallocx() function.

Accounts. A privacy issue was addressed with improved private data redaction for log entries.

— Apple

AMD. A race condition was addressed with improved state handling.

— Apple

Apple Neural Engine. The issue was addressed with improved memory handling.

— Apple

AppleMobileFileIntegrity. A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions.

— Apple

Credit

Sandipan Roy, pattern-f@@pattern_F_(Ant Security Light), Mohamed GHANNAM@@_simo36, Mickey Jin@@patch1t, Gergely Kalman@@gergely_kalman, Wojciech Regula(SecuRing), Erhad Husovic, Sei K., CVE-2023-28319, CVE-2023-28320, CVE-2023-28321, CVE-2023-28322, Kirin@@Pwnrin(SecuRing), (SecuRing), Bool(YunShangHuaAn), found by OSS-Fuzz, Arsenii Kostromin (0x3c3e), Zweig(Kunlun Lab), 香农的三蹦子(Pangu Lab), an anonymous researcher, Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Peter Nguyễn Vũ Hoàng@@peternguyen14(STAR Labs SG Pte), Certik Skyfall Team, Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), Valentin Pashkov(Kaspersky), Mikhail Vinogradov(Kaspersky), Georgy Kucherin@@kucher1n(Kaspersky), Leonid Bezvershenko@@bzvr_(Kaspersky), (Kaspersky), Boris Larin@@oct0xor(Kaspersky), Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Noah Roskin-Frazee, Taavi Eomäe(Zone Media O), Mickey Jin@@patch1t(Trend Micro Zero Day Initiative), (Trend Micro Zero Day Initiative), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), CVE-2023-1916, Jonathan Bar Or(Microsoft), Emanuele Cozzi(Microsoft), (Microsoft), Michael Pearse(Microsoft), Csaba Fitzl@@theevilbit(Offensive Security), James Duffy (mangoSecure), Michael Cowell, David Hoyt(Hoyt LLC), Wenchao Li(Hangzhou Orange Shield Information Technology Co), Xiaolong Bai(Hangzhou Orange Shield Information Technology Co), Ltd., CVE-2023-1801, Matthew Loewen, CVE-2023-2426, CVE-2023-2609, CVE-2023-2610, Yiğit Can YILMAZ@@yilmazcanyigit, Pr, Kirin@@Pwnrin, Yishu Wang, Adam M., Johan Carlsson (joaxcar), Narendra Bhati (twitter.com/imnarendrabhati)(Suma Soft Pvt), Pune - India, Hritvik Taneja, Jason Kim, Jie Jeff Xu, Stephan van Schaik, Daniel Genkin, Yuval Yarom, Pune - India(TU Wien), Valentino Dalla Valle(TU Wien), Pedro Bernardo(TU Wien), Marco Squarcina(TU Wien), (TU Wien), Lorenzo Veronese(TU Wien), Yuhao Hu, Jiming Wang, Jikai Ren, Anonymous(Trend Micro Zero Day Initiative), Francisco Alonso@@revskills, Junsung Lee, Apple, 이준성(Junsung Lee)(Cross Republic), YeongHyeon Choi@@hyeon101010, ABC Research s.r.o.

Affected Software

36 affected componentsFixes available
debian/openldap<=2.4.57+dfsg-3+deb11u1, <=2.5.13+dfsg-5
2.5.18+dfsg-3
Apple macOS Big Sur<11.7.9
11.7.9
Apple macOS Monterey<12.6.8
12.6.8
Apple macOS Ventura<13.5
13.5
openldap OpenLDAP=2.4
redhat Enterprise Linux=8.0
redhat Enterprise Linux=9.0
Apple macOS>=11.0<11.7.9
Apple macOS>=12.0<12.6.8
Apple macOS>=13.0<13.5
NetApp Active Iq Unified Manager Vmware Vsphere
NetApp Clustered Data ONTAP
NetApp Ontap Tools Vmware Vsphere
All of the following
NetApp H300s Firmware
NetApp H300s
All of the following
NetApp H500s Firmware
NetApp H500s
All of the following
NetApp H700s Firmware
NetApp H700s
All of the following
NetApp H410s Firmware
NetApp H410s
All of the following
NetApp H410c Firmware
NetApp H410c
NetApp H300s Firmware
NetApp H300s
NetApp H500s Firmware
NetApp H500s
NetApp H700s Firmware
NetApp H700s
NetApp H410s Firmware
NetApp H410s
NetApp H410c Firmware
NetApp H410c
IBM Security Verify Governance<=ISVG 10.0.2
IBM Security Verify Governance -Identity Manager software component<=ISVG 10.0.2
IBM Security Verify Governance -Identity Manager virtual appliance component<=ISVG 10.0.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/openldap to a version that resolves this vulnerability.

    Fixed in 2.5.18+dfsg-3
  2. Upgrade

    Upgrade Apple macOS to a version that resolves this vulnerability.

    Fixed in 11.7.9
  3. Upgrade

    Upgrade macOS to a version that resolves this vulnerability.

    Fixed in 12.6.8
  4. Upgrade

    Upgrade macOS Ventura to a version that resolves this vulnerability.

    Fixed in 13.5
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 13.5
  6. Compensating control

    Remove the vulnerable code associated with the issue.

Event History

May 29, 2023
CVE Published
12:00 AM
Data Sourced
12:00 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via Red Hat·04:37 AM
DescriptionSeverityAffected Software
May 30, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 24, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Jan 30, 2024
Data Sourced
via Launchpad·02:53 PM
Description
Sep 14, 2024
Data Sourced
via Ubuntu·03:20 PM
RemedyDescriptionSeverityAffected Software
Aug 27, 2025
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the CVE ID of this vulnerability?

The CVE ID of this vulnerability is CVE-2023-2953.

2

What is the severity level of CVE-2023-2953?

The severity level of CVE-2023-2953 is high (7).

3

What is the affected software?

The affected software includes OpenLDAP version 2.4, Redhat Enterprise Linux versions 8.0 and 9.0, Apple macOS versions 11.0 to 11.7.9, Apple macOS versions 12.0 to 12.6.8, and Apple macOS versions 13.0 to 13.5.

4

What is the vulnerability description?

The vulnerability causes a null pointer dereference in the ber_memalloc_x() function of OpenLDAP.

5

How can I mitigate this vulnerability?

To mitigate this vulnerability, apply the patches provided by the respective vendors or upgrade to a non-vulnerable version of the affected software.

Company

Resources

Contact

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