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CVE-2023-46847

Squid: denial of service in http digest authentication

CVSS score

8.6

EPSS probability

%88.4

Risk score

7.6

Published

2 y ago

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2023-46847 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2023-46847 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1redhatsquid View
2Red HatRed Hat Enterprise Linux 6 Extended Lifecycle Support View
3Red HatRed Hat Enterprise Linux 6 Extended Lifecycle Support View
4Red HatRed Hat Enterprise Linux 7 View
5Red HatRed Hat Enterprise Linux 7.6 Advanced Update Support View
6Red HatRed Hat Enterprise Linux 7.7 Advanced Update Support View
7Red HatRed Hat Enterprise Linux 8 View
8Red HatRed Hat Enterprise Linux 8 View
9Red HatRed Hat Enterprise Linux 8.1 Update Services for SAP Solutions View
10Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support View
11Red HatRed Hat Enterprise Linux 8.2 Telecommunications Update Service View
12Red HatRed Hat Enterprise Linux 8.2 Update Services for SAP Solutions View
13Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support View
14Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service View
15Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions View
16Red HatRed Hat Enterprise Linux 8.6 Extended Update Support View
17Red HatRed Hat Enterprise Linux 9 View
18Red HatRed Hat Enterprise Linux 9 View
19Red HatRed Hat Enterprise Linux 9.0 Extended Update Support View
20squid-cachesquid View
21redhatenterprise linux View
22redhatenterprise linux View
23redhatenterprise linux eus View
24redhatenterprise linux eus View
25redhatenterprise linux eus View
26redhatenterprise linux eus View
27redhatenterprise linux for arm 64 View
28redhatenterprise linux for ibm z systems View
29redhatenterprise linux for power little endian View
30redhatenterprise linux server View
31redhatenterprise linux server aus View
32redhatenterprise linux server aus View
33redhatenterprise linux server aus View
34redhatenterprise linux server aus View
35redhatenterprise linux server tus View
36redhatenterprise linux server tus View
37redhatenterprise linux server tus View
38redhatenterprise linux server tus View
39redhatenterprise linux server tus View
40redhatenterprise linux workstation View
Total affected vendors: 3|Products: 40

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
8.6CVSS V3_1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HCVE CNA
8.6CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HNVD
7.5CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
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-2023-46847 is associated with the following CWEs:

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-2023-46847 weaknesses.

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

CVSS Vector Radar Chart

8.6 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama durumu bilinmiyor

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Follow the vendor

Weakness Type (CWE & CAPEC)

Similar Vulnerabilities

Get this vulnerability through the API

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curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2023-46847"
CVE-2023-46847 · Squid: denial of service in http digest authentication · DayBreach