Debian update for nss



Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2024-0743
CVE-2024-6602
CVE-2024-6609
CWE-ID CWE-252
CWE-119
CWE-415
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Debian Linux
Operating systems & Components / Operating system

nss (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Unchecked Return Value

EUVDB-ID: #VU85709

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-0743

CWE-ID: CWE-252 - Unchecked Return Value

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an unchecked return value in TLS handshake code in NSS TLS method. A remote attacker can trick the victim to visit a specially crafted website and execute arbitrary code on the system.

Mitigation

Update nss package to version 2:3.87.1-1+deb12u1.

Vulnerable software versions

Debian Linux: All versions

nss (Debian package): before 2:3.87.1-1+deb12u1

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2024/msg00221.html


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) Buffer overflow

EUVDB-ID: #VU93896

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-6602

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in NSS. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update nss package to version 2:3.87.1-1+deb12u1.

Vulnerable software versions

Debian Linux: All versions

nss (Debian package): before 2:3.87.1-1+deb12u1

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2024/msg00221.html


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.

3) Double free

EUVDB-ID: #VU94622

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-6609

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in NSS. A remote attacker can force the browser to free an elliptic curve key which was never allocated and crash the browser.

Mitigation

Update nss package to version 2:3.87.1-1+deb12u1.

Vulnerable software versions

Debian Linux: All versions

nss (Debian package): before 2:3.87.1-1+deb12u1

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2024/msg00221.html


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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