Veille CVE
CVE-2023-4911
7.8 Élevée Exploitée activementCatalogue CISA KEV — GNU C Library Buffer Overflow Vulnerability
Ajoutée le 21/11/2023 · Échéance de correction (agences US) : 12/12/2023
Action requise : Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
Produits concernés
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 8.6 Extended Update Support
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 9.0 Extended Update Support
- Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
- Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
- Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
- Netapp bootstrap os
- Siemens simatic s7-1500 cpu 1518-4 pn\/dp mfp firmware
- Siemens simatic s7-1500 cpu 1518f-4 pn\/dp mfp firmware
- Siemens siplus s7-1500 cpu 1518-4 pn\/dp mfp firmware
- Siemens simatic s7-1500 tm mfp firmware
- Gnu glibc
- Fedoraproject fedora
- Redhat codeready linux builder
- Redhat codeready linux builder eus
- Redhat codeready linux builder for arm64
- Redhat codeready linux builder for arm64 eus
- Redhat codeready linux builder for ibm z systems
- Redhat codeready linux builder for ibm z systems eus
- Redhat codeready linux builder for power little endian
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.8 Élevée | secalert@redhat.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 7.8 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5476 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0033 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue TrackingPatch
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt ExploitThird Party Advisory
- https://www.qualys.com/cve-2023-4911/ Third Party Advisory
- http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2023/Oct/11 ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/03/2 ExploitMailing List
- http://www.openwall.com/lists/oss-security/2023/10/03/3 Mailing List
- http://www.openwall.com/lists/oss-security/2023/10/05/1 Mailing List
- http://www.openwall.com/lists/oss-security/2023/10/13/11 Mailing List
- http://www.openwall.com/lists/oss-security/2023/10/14/3 Mailing List
- http://www.openwall.com/lists/oss-security/2023/10/14/5 Mailing List
- http://www.openwall.com/lists/oss-security/2023/10/14/6 Mailing List
- https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5454 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5476 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0033 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-4911 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2238352 Issue TrackingPatch
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ Mailing List
- https://security.gentoo.org/glsa/202310-03 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20231013-0006/ Third Party Advisory
- https://www.debian.org/security/2023/dsa-5514 Mailing List
- https://www.exploit-db.com/exploits/52479 ExploitThird Party AdvisoryVDB Entry
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt ExploitThird Party Advisory
- https://www.qualys.com/cve-2023-4911/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4911 US Government Resource