Attacker Value
Unknown
0
CVE-2023-4527
0
CVE ID
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CVE-2023-4527
(Last updated April 25, 2024) ▾
MITRE ATT&CK
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Command and Control
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Credential Access
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Defense Evasion
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Execution
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Exfiltration
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Initial Access
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Lateral Movement
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Persistence
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Privilege Escalation
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Description
A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data, and may cause a crash.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
6.5 Medium
Impact Score:
4.2
Exploitability Score:
2.2
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
None
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Red Hat Enterprise Linux 8 not down converted
Red Hat Enterprise Linux 8 not down converted
Red Hat Enterprise Linux 9 not down converted
Red Hat Enterprise Linux 9 not down converted
Red Hat Enterprise Linux 6 not down converted
Red Hat Enterprise Linux 6 not down converted
Red Hat Enterprise Linux 7 not down converted
Red Hat Enterprise Linux 7 not down converted
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- fedoraproject,
- gnu,
- netapp,
- redhat
Products
- codeready linux builder eus 9.2,
- codeready linux builder eus for power little endian 9.0 ppc64le,
- codeready linux builder eus for power little endian eus 9.2 ppc64le,
- codeready linux builder for arm64 9.0 aarch64,
- codeready linux builder for arm64 eus 9.2 aarch64,
- codeready linux builder for ibm z systems 9.0 s390x,
- codeready linux builder for ibm z systems eus 9.2 s390x,
- enterprise linux 8.0,
- enterprise linux 9.0,
- enterprise linux eus 8.8,
- enterprise linux eus 9.2,
- enterprise linux for arm 64 9.0 aarch64,
- enterprise linux for arm 64 eus 9.2 aarch64,
- enterprise linux for ibm z systems 8.0 s390x,
- enterprise linux for ibm z systems eus 8.8 s390x,
- enterprise linux for ibm z systems eus s390x 9.2,
- enterprise linux for ibm z systems s390x 9.2,
- enterprise linux for power little endian 8.0 ppc64le,
- enterprise linux for power little endian 9.2 ppc64le,
- enterprise linux for power little endian eus 8.8 ppc64le,
- enterprise linux for power little endian eus 9.2 ppc64le,
- enterprise linux server aus 9.2,
- enterprise linux server for power little endian update services for sap solutions 9.2 ppc64le,
- enterprise linux tus 8.8,
- fedora 37,
- fedora 38,
- fedora 39,
- glibc,
- h300s firmware -,
- h410c firmware -,
- h410s firmware -,
- h500s firmware -,
- h700s firmware -
References
Miscellaneous
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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