Slackware Linux update for openssl



Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2023-5678
CVE-2024-0727
CVE-2024-2511
CVE-2024-4741
CVE-2024-5535
CWE-ID CWE-399
CWE-476
CWE-400
CWE-416
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
Slackware Linux
Operating systems & Components / Operating system

openssl-solibs
Operating systems & Components / Operating system package or component

openssl
Operating systems & Components / Operating system package or component

Vendor Slackware

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Resource management error

EUVDB-ID: #VU82894

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-5678

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within DH_generate_key() and DH_check_pub_key() functions. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package openssl.

Vulnerable software versions

Slackware Linux: 15.0

openssl-solibs: before 1.1.1za

openssl: before 1.1.1za

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2024&m=slackware-security.462281


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) NULL pointer dereference

EUVDB-ID: #VU85808

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-0727

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error when processing fields in the PKCS12 certificate. A remote attacker can pass specially crafted certificate to the server and perform a denial of service (DoS) attack.

Mitigation

Update the affected package openssl.

Vulnerable software versions

Slackware Linux: 15.0

openssl-solibs: before 1.1.1za

openssl: before 1.1.1za

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2024&m=slackware-security.462281


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) Resource exhaustion

EUVDB-ID: #VU88211

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-2511

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to unbounded memory growth when processing TLSv1.3 sessions. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that the non-default SSL_OP_NO_TICKET option is being used in TLSv1.3.

Mitigation

Update the affected package openssl.

Vulnerable software versions

Slackware Linux: 15.0

openssl-solibs: before 1.1.1za

openssl: before 1.1.1za

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2024&m=slackware-security.462281


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.

4) Use-after-free

EUVDB-ID: #VU89861

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-4741

CWE-ID: CWE-416 - Use After 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 use-after-free error within the SSL_free_buffers() function. A remote attacker can trigger a use-after-free error and perform a denial of service (DoS) attack.

Note, the vulnerability affects only applications that call the vulnerable function.

Mitigation

Update the affected package openssl.

Vulnerable software versions

Slackware Linux: 15.0

openssl-solibs: before 1.1.1za

openssl: before 1.1.1za

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2024&m=slackware-security.462281


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.

5) Out-of-bounds read

EUVDB-ID: #VU93424

Risk: Low

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

CVE-ID: CVE-2024-5535

CWE-ID: CWE-125 - Out-of-bounds read

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 condition within the SSL_select_next_proto() function when using NPN. A remote attacker can send specially crafted data to the application, trigger an out-of-bounds read and perform a denial of service (DoS) attack.

Mitigation

Update the affected package openssl.

Vulnerable software versions

Slackware Linux: 15.0

openssl-solibs: before 1.1.1za

openssl: before 1.1.1za

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2024&m=slackware-security.462281


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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