Anolis OS update for squid:4 module



| Updated: 2025-03-29
Risk Medium
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2023-46724
CVE-2023-46728
CVE-2023-49285
CVE-2023-49286
CVE-2023-5824
CVE-2023-49288
CWE-ID CWE-295
CWE-120
CWE-476
CWE-125
CWE-252
CWE-237
CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

squid
Operating systems & Components / Operating system package or component

libecap-devel
Operating systems & Components / Operating system package or component

libecap
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Improper Certificate Validation

EUVDB-ID: #VU82906

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-2023-46724

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation when processing a specially crafted SSL Certificate in a server certificate chain. A remote attacker can initiate a TLS Handshake with a specially crafted SSL certificate and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

squid: before 4.15-11

libecap-devel: before 1.0.1-2.0.1

libecap: before 1.0.1-2.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0044


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: #VU80476

Risk: Medium

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

CVE-ID: CVE-2023-46724

CWE-ID: CWE-120 - Buffer overflow

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 when handling gopher responses. A remote attacker can trick the victim into connecting to a malicious gopher server, trigger a buffer overflow and crash the proxy server.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

squid: before 4.15-11

libecap-devel: before 1.0.1-2.0.1

libecap: before 1.0.1-2.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0044


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) NULL pointer dereference

EUVDB-ID: #VU83379

Risk: Medium

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

CVE-ID: CVE-2023-46728

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 in Gopher gateway. A remote attacker can pass specially crafted data to the server and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

squid: before 4.15-11

libecap-devel: before 1.0.1-2.0.1

libecap: before 1.0.1-2.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0044


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) Out-of-bounds read

EUVDB-ID: #VU83629

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-2023-49285

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition when handling HTTP messages. A remote attacker can send specially crafted data to the server, trigger an out-of-bounds read error and crash the proxy server.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

squid: before 4.15-11

libecap-devel: before 1.0.1-2.0.1

libecap: before 1.0.1-2.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0044


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) Unchecked Return Value

EUVDB-ID: #VU83628

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-2023-49286

CWE-ID: CWE-252 - Unchecked Return Value

Exploit availability: No

Description

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

The vulnerability exists due to incorrect check of function return value in Helper process management. A remote attacker can pass specially crafted data to the proxy server and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

squid: before 4.15-11

libecap-devel: before 1.0.1-2.0.1

libecap: before 1.0.1-2.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0044


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.

6) Improper Handling of Structural Elements

EUVDB-ID: #VU82316

Risk: Medium

CVSSv4.0: 5.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:U/U:Green]

CVE-ID: CVE-2023-5824

CWE-ID: CWE-237 - Improper Handling of Structural Elements

Exploit availability: No

Description

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

The vulnerability exists due to improper handling of structural elements in HTTP response caching. A remote user can cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

squid: before 4.15-11

libecap-devel: before 1.0.1-2.0.1

libecap: before 1.0.1-2.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0044


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

7) Use-after-free

EUVDB-ID: #VU83627

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-2023-49288

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 in HTTP collapsed forwarding. A remote attacker can send specially crafted data to the server and crash the proxy server.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

squid: before 4.15-11

libecap-devel: before 1.0.1-2.0.1

libecap: before 1.0.1-2.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0044


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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