SUSE update for c-ares



Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2023-31124
CVE-2023-31130
CVE-2023-31147
CVE-2023-32067
CWE-ID CWE-338
CWE-124
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Basesystem Module
Operating systems & Components / Operating system

SUSE Linux Enterprise Micro for Rancher
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP Applications 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Real Time 15
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Desktop 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Micro
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15 SP3 LTSS
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15 SP2 LTSS
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15 SP1 LTSS
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing LTSS 15
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing ESPOS 15
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
Operating systems & Components / Operating system

openSUSE Leap
Operating systems & Components / Operating system

openSUSE Leap Micro
Operating systems & Components / Operating system

SUSE Enterprise Storage
Operating systems & Components / Operating system

SUSE Manager Retail Branch Server
Operating systems & Components / Operating system

SUSE Manager Server
Operating systems & Components / Operating system

SUSE Manager Proxy
Operating systems & Components / Operating system

SUSE CaaS Platform
Operating systems & Components / Operating system

libcares2-32bit
Operating systems & Components / Operating system package or component

libcares2-32bit-debuginfo
Operating systems & Components / Operating system package or component

c-ares-utils-debuginfo
Operating systems & Components / Operating system package or component

c-ares-utils
Operating systems & Components / Operating system package or component

c-ares-devel
Operating systems & Components / Operating system package or component

libcares2
Operating systems & Components / Operating system package or component

c-ares-debugsource
Operating systems & Components / Operating system package or component

libcares2-debuginfo
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

EUVDB-ID: #VU76424

Risk: Medium

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

CVE-ID: CVE-2023-31124

CWE-ID: CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when cross-compiling c-ares and using the autotools build system. As a result, the CARES_RANDOM_FILE is not be set, which results in usage of a rand() function as a fallback, leading to weak entropy.

Mitigation

Update the affected package c-ares to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP5

SUSE Linux Enterprise Server 15: SP1 - SP5

SUSE Linux Enterprise Real Time 15: SP3 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

SUSE Linux Enterprise Micro: 5.1 - 5.4

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise Server 15 SP1 LTSS: 15-SP1

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS: 15-SP1

openSUSE Leap: 15.4 - 15.5

openSUSE Leap Micro: 5.3

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2 - 4.3

SUSE Manager Server: 4.2 - 4.3

SUSE Manager Proxy: 4.2 - 4.3

SUSE CaaS Platform: 4.0

libcares2-32bit: before 1.19.1-150000.3.23.1

libcares2-32bit-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils: before 1.19.1-150000.3.23.1

c-ares-devel: before 1.19.1-150000.3.23.1

libcares2: before 1.19.1-150000.3.23.1

c-ares-debugsource: before 1.19.1-150000.3.23.1

libcares2-debuginfo: before 1.19.1-150000.3.23.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232313-1/


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) Buffer Underwrite ('Buffer Underflow')

EUVDB-ID: #VU76425

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-31130

CWE-ID: CWE-124 - Buffer Underwrite ('Buffer Underflow')

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a buffer underflow when using certain IPv6 addresses, such as 0::00:00:00/2". A local privileged user can trigger a boundary error and crash the service.

Mitigation

Update the affected package c-ares to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP5

SUSE Linux Enterprise Server 15: SP1 - SP5

SUSE Linux Enterprise Real Time 15: SP3 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

SUSE Linux Enterprise Micro: 5.1 - 5.4

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise Server 15 SP1 LTSS: 15-SP1

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS: 15-SP1

openSUSE Leap: 15.4 - 15.5

openSUSE Leap Micro: 5.3

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2 - 4.3

SUSE Manager Server: 4.2 - 4.3

SUSE Manager Proxy: 4.2 - 4.3

SUSE CaaS Platform: 4.0

libcares2-32bit: before 1.19.1-150000.3.23.1

libcares2-32bit-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils: before 1.19.1-150000.3.23.1

c-ares-devel: before 1.19.1-150000.3.23.1

libcares2: before 1.19.1-150000.3.23.1

c-ares-debugsource: before 1.19.1-150000.3.23.1

libcares2-debuginfo: before 1.19.1-150000.3.23.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232313-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

3) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

EUVDB-ID: #VU76426

Risk: Medium

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

CVE-ID: CVE-2023-31147

CWE-ID: CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to usage of a rand() function in case /dev/urandom or RtlGenRandom() are unavailable. A remote attacker can perform spoofing attack.

Mitigation

Update the affected package c-ares to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP5

SUSE Linux Enterprise Server 15: SP1 - SP5

SUSE Linux Enterprise Real Time 15: SP3 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

SUSE Linux Enterprise Micro: 5.1 - 5.4

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise Server 15 SP1 LTSS: 15-SP1

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS: 15-SP1

openSUSE Leap: 15.4 - 15.5

openSUSE Leap Micro: 5.3

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2 - 4.3

SUSE Manager Server: 4.2 - 4.3

SUSE Manager Proxy: 4.2 - 4.3

SUSE CaaS Platform: 4.0

libcares2-32bit: before 1.19.1-150000.3.23.1

libcares2-32bit-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils: before 1.19.1-150000.3.23.1

c-ares-devel: before 1.19.1-150000.3.23.1

libcares2: before 1.19.1-150000.3.23.1

c-ares-debugsource: before 1.19.1-150000.3.23.1

libcares2-debuginfo: before 1.19.1-150000.3.23.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232313-1/


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.

4) Input validation error

EUVDB-ID: #VU76423

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-2023-32067

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. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package c-ares to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP5

SUSE Linux Enterprise Server 15: SP1 - SP5

SUSE Linux Enterprise Real Time 15: SP3 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

SUSE Linux Enterprise Micro: 5.1 - 5.4

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise Server 15 SP1 LTSS: 15-SP1

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS: 15-SP1

openSUSE Leap: 15.4 - 15.5

openSUSE Leap Micro: 5.3

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2 - 4.3

SUSE Manager Server: 4.2 - 4.3

SUSE Manager Proxy: 4.2 - 4.3

SUSE CaaS Platform: 4.0

libcares2-32bit: before 1.19.1-150000.3.23.1

libcares2-32bit-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils: before 1.19.1-150000.3.23.1

c-ares-devel: before 1.19.1-150000.3.23.1

libcares2: before 1.19.1-150000.3.23.1

c-ares-debugsource: before 1.19.1-150000.3.23.1

libcares2-debuginfo: before 1.19.1-150000.3.23.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232313-1/


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.

5) Input validation error

EUVDB-ID: #VU76422

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-2023-32067

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 processing DNS responses. A remote attacker can send a specially crafted DNS response to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package c-ares to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP5

SUSE Linux Enterprise Server 15: SP1 - SP5

SUSE Linux Enterprise Real Time 15: SP3 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

SUSE Linux Enterprise Micro: 5.1 - 5.4

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise Server 15 SP1 LTSS: 15-SP1

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS: 15-SP1

openSUSE Leap: 15.4 - 15.5

openSUSE Leap Micro: 5.3

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2 - 4.3

SUSE Manager Server: 4.2 - 4.3

SUSE Manager Proxy: 4.2 - 4.3

SUSE CaaS Platform: 4.0

libcares2-32bit: before 1.19.1-150000.3.23.1

libcares2-32bit-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils-debuginfo: before 1.19.1-150000.3.23.1

c-ares-utils: before 1.19.1-150000.3.23.1

c-ares-devel: before 1.19.1-150000.3.23.1

libcares2: before 1.19.1-150000.3.23.1

c-ares-debugsource: before 1.19.1-150000.3.23.1

libcares2-debuginfo: before 1.19.1-150000.3.23.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232313-1/


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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