SUSE update for gnutls



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-28834
CVE-2024-28835
CWE-ID CWE-310
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
SUSE Linux Enterprise Micro for Rancher
Operating systems & Components / Operating system

SUSE Linux Enterprise Micro
Operating systems & Components / Operating system

libgnutls30-debuginfo
Operating systems & Components / Operating system package or component

gnutls
Operating systems & Components / Operating system package or component

libgnutls30-hmac
Operating systems & Components / Operating system package or component

libgnutls30
Operating systems & Components / Operating system package or component

gnutls-debugsource
Operating systems & Components / Operating system package or component

gnutls-debuginfo
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cryptographic issues

EUVDB-ID: #VU87671

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-28834

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to a side-channel attack when using the gnutls_privkey_sign_data2 API function with the "GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE" flag. A remote attacker can launch Minerva attack and gain access to sensitive information.

Mitigation

Update the affected package gnutls to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro for Rancher: 5.3

SUSE Linux Enterprise Micro: 5.3

libgnutls30-debuginfo: before 3.7.3-150400.8.1

gnutls: before 3.7.3-150400.8.1

libgnutls30-hmac: before 3.7.3-150400.8.1

libgnutls30: before 3.7.3-150400.8.1

gnutls-debugsource: before 3.7.3-150400.8.1

gnutls-debuginfo: before 3.7.3-150400.8.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20242546-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU87672

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-28835

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when parsing the cert_list_size parameter in the gnutls_x509_trust_list_verify_crt2() function in certtool. A remote attacker can pass specially crafted PEM encoded certificate chain that contains more than 16 certificates to the certtool and crash it.

Mitigation

Update the affected package gnutls to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro for Rancher: 5.3

SUSE Linux Enterprise Micro: 5.3

libgnutls30-debuginfo: before 3.7.3-150400.8.1

gnutls: before 3.7.3-150400.8.1

libgnutls30-hmac: before 3.7.3-150400.8.1

libgnutls30: before 3.7.3-150400.8.1

gnutls-debugsource: before 3.7.3-150400.8.1

gnutls-debuginfo: before 3.7.3-150400.8.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20242546-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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