Multiple vulnerabilities in Vim



Risk High
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2023-1264
CVE-2023-1175
CVE-2023-1170
CVE-2023-1127
CWE-ID CWE-476
CWE-119
CWE-122
CWE-369
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Vim
Client/Desktop applications / Software for system administration

Vendor Vim.org

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU73172

Risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1264

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 within the utfc_ptr2len() function in mbyte.c.c. A remote attacker can trick the victim to open a specially crafted file and crash the editor.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.1391

CPE2.3 External links

https://huntr.dev/bounties/b2989095-88f3-413a-9a39-c1c58a6e6815
https://github.com/vim/vim/commit/7ac5023a5f1a37baafbe1043645f97ba3443d9f6


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: #VU73171

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-1175

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the yank_copy_line() function in register.c. A remote attacker can create a specially crafted, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.1377

CPE2.3 External links

https://github.com/vim/vim/commit/c99cbf8f289bdda5d4a77d7ec415850a520330ba
https://huntr.dev/bounties/7e93fc17-92eb-4ae7-b01a-93bb460b643e


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) Heap-based buffer overflow

EUVDB-ID: #VU73170

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-1170

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the utf_ptr2char() function in mbyte.c. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.1375

CPE2.3 External links

https://github.com/vim/vim/commit/1c73b65229c25e3c1fd8824ba958f7cc4d604f9c
https://huntr.dev/bounties/286e0090-e654-46d2-ac60-29f81799d0a4


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) Division by zero

EUVDB-ID: #VU73169

Risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1127

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

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

The vulnerability exists due to a divide by zero error within the scrolldown() function in move.c. A remote attacker can trick the victim to open a specially crafted file and crash the editor.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.1366

CPE2.3 External links

https://github.com/vim/vim/commit/e0f869196930ef5f25a0ac41c9215b09c9ce2d3c
https://huntr.dev/bounties/2d4d309e-4c96-415f-9070-36d0815f1beb
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PDVN5HSWPNVP4QXBPCEGZDLZKURLJWTE/


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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