CVE-2023-4911
Vulnerability from cvelistv5
Published
2023-10-03 17:25
Modified
2024-11-23 01:12
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Glibc: buffer overflow in ld.so leading to privilege escalation
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:5453Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:5454Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:5455Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:5476Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0033Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-4911Mitigation, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2238352Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txtExploit, Third Party Advisory
secalert@redhat.comhttps://www.qualys.com/cve-2023-4911/Third Party Advisory
Impacted products
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support
Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8
Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8
Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 6
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 7
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2023-11-21

Due date: 2023-12-12

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Used in ransomware: Unknown

Notes: This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=1056e5b4c3f2d90ed2b4a55f96add28da2f4c8fa, https://access.redhat.com/security/cve/cve-2023-4911, https://www.debian.org/security/2023/dsa-5514 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4911

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      "dueDate": "2023-12-12",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=1056e5b4c3f2d90ed2b4a55f96add28da2f4c8fa, https://access.redhat.com/security/cve/cve-2023-4911, https://www.debian.org/security/2023/dsa-5514 ; https://nvd.nist.gov/vuln/detail/CVE-2023-4911  ",
      "product": "GNU C Library",
      "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
      "shortDescription": "GNU C Library\u0027s dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.",
      "vendorProject": "GNU",
      "vulnerabilityName": "GNU C Library Buffer Overflow Vulnerability"
    },
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  }
}


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