CVE-2025-32989— Gnutls: vulnerability in gnutls sct extension parsing
I. Basic Information for CVE-2025-32989
Vulnerability Information
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Vulnerability Title
Gnutls: vulnerability in gnutls sct extension parsing
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT extension (OID 1.3.6.1.4.1.11129.2.4.2) that contains sensitive data. This issue leads to the exposure of confidential information when GnuTLS verifies certificates from certain websites when the certificate (SCT) is not checked correctly.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
GnuTLS 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是GnuTLS开源的一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS存在信任管理问题漏洞，该漏洞源于X.509证书解析时处理CT SCT扩展不当，可能导致信息泄露。
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 |
|---|---|---|---|---|
| - | - | 0 ~ 3.8.10 | - | |
| Red Hat | Red Hat Enterprise Linux 10 | 0:3.8.9-9.el10_0.14 ~ * | cpe:/o:redhat:enterprise_linux:10.0 | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.8.3-6.el9_6.2 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.8.3-6.el9_6.2 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:3.7.6-21.el9_2.4 ~ * | cpe:/a:redhat:rhel_e4s:9.2::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:3.8.3-4.el9_4.4 ~ * | cpe:/o:redhat:rhel_eus:9.4::baseos | |
| Red Hat | Red Hat Ceph Storage 7 | sha256:4d2f9dc5b2b33ee1c77bbfabcbbb9f4d94d343b04c4de2e4f8b3b81a1f0fd2fe ~ * | cpe:/a:redhat:ceph_storage:7::el9 | |
| Red Hat | Red Hat Discovery 2 | sha256:435ba9959b793d46a63a74c343bb8c3ff68350496afec12cc5e894dfc40b7648 ~ * | cpe:/a:redhat:discovery:2::el9 | |
| Red Hat | Red Hat Hardened Images | 3.8.12-1.1.hum1 ~ * | cpe:/a:redhat:hummingbird:1 | |
| Red Hat | Red Hat Insights proxy 1.5 | sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea ~ * | cpe:/a:redhat:insights_proxy:1.5::el9 | |
| 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 | |
| Red Hat | Red Hat OpenShift Container Platform 4 | - | cpe:/a:redhat:openshift:4 |
II. Public POCs for CVE-2025-32989
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-295
V. Comments for CVE-2025-32989
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