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CVE-2024-28835— Gnutls: potential crash during chain building/verification

Quick assessment

Affected
CVE-2024-28835
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 存在安全漏洞，该漏洞源于尝试使用 certtool --verify-chain命令验证特制的 pem 包时，可能会导致应用程序崩溃。

CVSS 5.0 · Medium EPSS 0.39% · P33

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 10

VendorProduct Version RangeStatus
None None 3.8.3 affected
Red Hat Red Hat Enterprise Linux 10 any unaffected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any unknown
Red Hat Red Hat Enterprise Linux 8 any unaffected
Red Hat Red Hat Enterprise Linux 9 0:3.7.6-23.el9_3.4< * unaffected
0:3.8.3-4.el9_4< * unaffected
0:3.7.6-23.el9_3.4< * unaffected
0:3.8.3-4.el9_4< * unaffected
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:3.7.6-21.el9_2.3< * unaffected

I. Basic Information for CVE-2024-28835

Vulnerability Information
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Vulnerability Title
Gnutls: potential crash during chain building/verification
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
GnuTLS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 存在安全漏洞，该漏洞源于尝试使用 certtool --verify-chain命令验证特制的 pem 包时，可能会导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 3.8.3 -
Red Hat Red Hat Enterprise Linux 9 0:3.7.6-23.el9_3.4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:3.8.3-4.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:3.7.6-23.el9_3.4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:3.8.3-4.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:3.7.6-21.el9_2.3 ~ * cpe:/a:redhat:rhel_eus:9.2::appstream
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8

II. Public POCs for CVE-2024-28835

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III. Intelligence Information for CVE-2024-28835

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Vendor Advisories for CVE-2024-28835 (4)

Mailing List Discussions for CVE-2024-28835 (2)

IV. Related Vulnerabilities

Same weakness: CWE-248