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CVE-2023-4813

Glibc: potential use-after-free in gaih_inet()

CVSS score

5.9

EPSS probability

%2.2

Risk score

0.1

Published

3 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2023-4813 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2023-4813 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Red HatRed Hat Enterprise Linux 8 View
2Red HatRed Hat Enterprise Linux 8.6 Extended Update Support View
3Red HatRed Hat Enterprise Linux 9 View
4Red HatRed Hat Enterprise Linux 9 View
5Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8 View
6Red HatRed Hat Enterprise Linux 6 View
7Red HatRed Hat Enterprise Linux 7 View
8gnuglibc View
9redhatenterprise linux View
10redhatenterprise linux View
11redhatenterprise linux eus View
12redhatenterprise linux eus View
13redhatenterprise linux for ibm z systems eus s390x View
14redhatenterprise linux for ibm z systems s390x View
15redhatenterprise linux for power little endian View
16redhatenterprise linux for power little endian eus View
17redhatenterprise linux server aus View
18redhatenterprise linux server tus View
19fedoraprojectfedora View
20netappactive iq unified manager View
21netapph300s firmware View
22netapph300s View
23netapph500s firmware View
24netapph500s View
25netapph700s firmware View
26netapph700s View
27netapph410s firmware View
28netapph410s View
29netapph410c firmware View
30netapph410c View
Total affected vendors: 5|Products: 30

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
5.9CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HCVE CNA
5.9CVSS V31MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

1 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-4813 is associated with the following CWEs:

CWE-416: Use After Free

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-4813 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

RHBA-2024:2413vendor-advisoryRHSA-2023:5453vendor-advisoryRHSA-2023:5455vendor-advisoryRHSA-2023:7409vendor-advisoryhttps://access.redhat.com/security/cve/CVE-2023-4813vendor-advisoryRHBZ#2237798vendor-advisoryhttp://www.openwall.com/lists/oss-security/2023/10/03/8nvdhttps://security.netapp.com/advisory/ntap-20231110-0003/nvdhttps://cert-portal.siemens.com/productcert/html/ssa-398330.htmlnvd

CVSS Vector Radar Chart

5.9 / 10
Attack VectorNetworkComplexityHighPrivilegesNoneUser Interact.NoneConfidentialityHighIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)High
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama doğrulandı

1 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

RH
Red Hat logo
Red Hat
G
gnu logo
gnu
R
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redhat
F
fedoraproject logo
fedoraproject
N
netapp logo
netapp

Weakness Type (CWE & CAPEC)

CWE-416

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