SB20231213112 - Anolis OS update for vim

Description

This security bulletin contains information about 8 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-48231)

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

The vulnerability exists due to a use-after-free error when closing the window. A remote attacker can trick the victim to open a specially crafted file and crash the application.

2) Integer overflow (CVE-ID: CVE-2023-48232)

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

The vulnerability exists due to integer overflow when calculating the line offset for overlong lines and smooth scrolling is enabled and the cpo-settings include the 'n' flag. A remote attacker can trick the victim to open a specially crafted file, trigger an integer overflow and crash the application.

3) Integer overflow (CVE-ID: CVE-2023-48233)

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

The vulnerability exists due to integer overflow if the count after the :s command is larger than what fits into a (signed) long variable. A remote attacker can trick the victim to open a specially crafted file, trigger an integer overflow and crash the application.

4) Integer overflow (CVE-ID: CVE-2023-48234)

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

The vulnerability exists due to integer overflow when using the z= command. A remote attacker can trick the victim to open a specially crafted file, trigger an integer overflow and crash the application.

5) Integer overflow (CVE-ID: CVE-2023-48235)

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

The vulnerability exists due to integer overflow when parsing relative ex addresses. A remote attacker can trick the victim to open a specially crafted file, trigger an integer overflow and crash the application.

6) Integer overflow (CVE-ID: CVE-2023-48236)

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

The vulnerability exists due to integer overflow when using the z= command. A remote attacker can trick the victim to open a specially crafted file, trigger an integer overflow and crash the application.

7) Integer overflow (CVE-ID: CVE-2023-48237)

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

The vulnerability exists due to integer overflow when shifting lines in operator pending mode. A remote attacker can trick the victim to open a specially crafted file, trigger an integer overflow and crash the application.

8) Use-after-free (CVE-ID: CVE-2023-48706)

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 ex_substitute() function in src/charset.c when executing the ":s" command. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and crash the application.

Remediation

Install update from vendor's website.

References

• https://anas.openanolis.cn/errata/detail/ANSA-2023:0849