Amazon Linux AMI update for vim

1) Use-after-free

EUVDB-ID: #VU80502

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4733

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a use-after-free error within the do_ecmd() function in ex_cmds.c. A remote attacker can trick the victim to open a specially crafted file and crash the application.

Mitigation

Update the affected packages:

i686:
    vim-enhanced-9.0.1712-1.83.amzn1.i686
    vim-debuginfo-9.0.1712-1.83.amzn1.i686
    vim-common-9.0.1712-1.83.amzn1.i686
    xxd-9.0.1712-1.83.amzn1.i686
    vim-minimal-9.0.1712-1.83.amzn1.i686

noarch:
    vim-filesystem-9.0.1712-1.83.amzn1.noarch
    vim-data-9.0.1712-1.83.amzn1.noarch

src:
    vim-9.0.1712-1.83.amzn1.src

x86_64:
    vim-minimal-9.0.1712-1.83.amzn1.x86_64
    vim-enhanced-9.0.1712-1.83.amzn1.x86_64
    vim-common-9.0.1712-1.83.amzn1.x86_64
    vim-debuginfo-9.0.1712-1.83.amzn1.x86_64
    xxd-9.0.1712-1.83.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

vim: before 9.0.1712-1.83

External links

http://alas.aws.amazon.com/ALAS-2023-1837.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) Use-after-free

EUVDB-ID: #VU80505

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4750

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a use-after-free error within the is_qf_win() function in quickfix.c. A remote attacker can trick the victim to open a specially crafted file and crash the application.

Mitigation

Update the affected packages:

i686:
    vim-enhanced-9.0.1712-1.83.amzn1.i686
    vim-debuginfo-9.0.1712-1.83.amzn1.i686
    vim-common-9.0.1712-1.83.amzn1.i686
    xxd-9.0.1712-1.83.amzn1.i686
    vim-minimal-9.0.1712-1.83.amzn1.i686

noarch:
    vim-filesystem-9.0.1712-1.83.amzn1.noarch
    vim-data-9.0.1712-1.83.amzn1.noarch

src:
    vim-9.0.1712-1.83.amzn1.src

x86_64:
    vim-minimal-9.0.1712-1.83.amzn1.x86_64
    vim-enhanced-9.0.1712-1.83.amzn1.x86_64
    vim-common-9.0.1712-1.83.amzn1.x86_64
    vim-debuginfo-9.0.1712-1.83.amzn1.x86_64
    xxd-9.0.1712-1.83.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

vim: before 9.0.1712-1.83

External links

http://alas.aws.amazon.com/ALAS-2023-1837.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) Use-after-free

EUVDB-ID: #VU80506

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4752

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a use-after-free error within the ins_compl_get_exp() function in insexpand.c. A remote attacker can trick the victim to open a specially crafted file and crash the application.

Mitigation

Update the affected packages:

i686:
    vim-enhanced-9.0.1712-1.83.amzn1.i686
    vim-debuginfo-9.0.1712-1.83.amzn1.i686
    vim-common-9.0.1712-1.83.amzn1.i686
    xxd-9.0.1712-1.83.amzn1.i686
    vim-minimal-9.0.1712-1.83.amzn1.i686

noarch:
    vim-filesystem-9.0.1712-1.83.amzn1.noarch
    vim-data-9.0.1712-1.83.amzn1.noarch

src:
    vim-9.0.1712-1.83.amzn1.src

x86_64:
    vim-minimal-9.0.1712-1.83.amzn1.x86_64
    vim-enhanced-9.0.1712-1.83.amzn1.x86_64
    vim-common-9.0.1712-1.83.amzn1.x86_64
    vim-debuginfo-9.0.1712-1.83.amzn1.x86_64
    xxd-9.0.1712-1.83.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

vim: before 9.0.1712-1.83

External links

http://alas.aws.amazon.com/ALAS-2023-1837.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.