CVE-2023-4750

Use After Free in GitHub repository vim/vim prior to 9.0.1857.

Use After Free in GitHub repository vim/vim prior to 9.0.1857.

Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.

Security Fix(es):

Use After Free in GitHub repository vim/vim prior to 9.0.1840.(CVE-2023-4733)

Integer Overflow or Wraparound in GitHub repository vim/vim prior to 9.0.1846.(CVE-2023-4734)

Out-of-bounds Write in GitHub repository vim/vim prior to 9.0.1847.(CVE-2023-4735)

Untrusted Search Path in GitHub repository vim/vim prior to 9.0.1833.(CVE-2023-4736)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1848.(CVE-2023-4738)

Use After Free in GitHub repository vim/vim prior to 9.0.1857.(CVE-2023-4750)

Use After Free in GitHub repository vim/vim prior to 9.0.1858.(CVE-2023-4752)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1873.(CVE-2023-4781)

Use After Free in GitHub repository vim/vim prior to 9.0.1857.

• CVE-2023-0054: check the return value of vim_regsub()
• CVE-2023-0049: avoid going over the NUL at the end
• CVE-2023-0288: prevent the cursor from moving to line zero
• CVE-2023-0433: check for not going over the end of the line
• CVE-2023-2610: limit the text length to MAXCOL
• CVE-2023-4750: check buffer is valid before accessing it
• CVE-2023-4733: verify oldwin pointer after reset_VIsual()
• CVE-2023-4751: stop Visual mode when using :ball
• CVE-2023-5344: add NULL at end of buffer
• CVE-2024-22667: pass size of errbuf down the call stack, use snprintf()

• CVE-2023-2610: limit the text length to MAXCOL
• CVE-2023-4735: don't overflow buf2, check size in for loop()
• CVE-2023-4750: check buffer is valid before accessing it
• CVE-2023-4752: validate buffer before accessing it
• CVE-2023-4781: disallow exchanging windows when textlock is active
• Drop the patch level in version.c to the original one

Use After Free in GitHub repository vim/vim prior to 9.0.1840. (CVE-2023-4733)

Use After Free in GitHub repository vim/vim prior to 9.0.1857. (CVE-2023-4750)

Use After Free in GitHub repository vim/vim prior to 9.0.1858. (CVE-2023-4752)

This update for vim fixes the following issues:

• CVE-2023-48231: Fixed Use-After-Free in win_close() (bsc#1217316).
• CVE-2023-48232: Fixed Floating point Exception in adjust_plines_for_skipcol() (bsc#1217320).
• CVE-2023-48233: Fixed overflow with count for :s command (bsc#1217321).
• CVE-2023-48234: Fixed overflow in nv_z_get_count (bsc#1217324).
• CVE-2023-48235: Fixed overflow in ex address parsing (bsc#1217326).
• CVE-2023-48236: Fixed overflow in get_number (bsc#1217329).
• CVE-2023-48237: Fixed overflow in shift_line (bsc#1217330).
• CVE-2023-48706: Fixed heap-use-after-free in ex_substitute (bsc#1217432).
• CVE-2024-22667: Fixed stack-based buffer overflow in did_set_langmap function in map.c (bsc#1219581).
• CVE-2023-4750: Fixed heap use-after-free in function bt_quickfix (bsc#1215005).

Updated to version 9.1 with patch level 0111: https://github.com/vim/vim/compare/v9.0.2103...v9.1.0111

This update for vim fixes the following issues:

• CVE-2023-48231: Fixed Use-After-Free in win_close() (bsc#1217316).
• CVE-2023-48232: Fixed Floating point Exception in adjust_plines_for_skipcol() (bsc#1217320).
• CVE-2023-48233: Fixed overflow with count for :s command (bsc#1217321).
• CVE-2023-48234: Fixed overflow in nv_z_get_count (bsc#1217324).
• CVE-2023-48235: Fixed overflow in ex address parsing (bsc#1217326).
• CVE-2023-48236: Fixed overflow in get_number (bsc#1217329).
• CVE-2023-48237: Fixed overflow in shift_line (bsc#1217330).
• CVE-2023-48706: Fixed heap-use-after-free in ex_substitute (bsc#1217432).
• CVE-2024-22667: Fixed stack-based buffer overflow in did_set_langmap function in map.c (bsc#1219581).
• CVE-2023-4750: Fixed heap use-after-free in function bt_quickfix (bsc#1215005).

Updated to version 9.1 with patch level 0111: https://github.com/vim/vim/compare/v9.0.2103...v9.1.0111

This update for vim fixes the following issues:

Updated to version 9.1.0111, fixes the following security problems

• CVE-2023-48231: Use-After-Free in win_close() (bsc#1217316).
• CVE-2023-48232: Floating point Exception in adjust_plines_for_skipcol() (bsc#1217320).
• CVE-2023-48233: overflow with count for :s command (bsc#1217321).
• CVE-2023-48234: overflow in nv_z_get_count (bsc#1217324).
• CVE-2023-48235: overflow in ex address parsing (CVE-2023-48235).
• CVE-2023-48236: overflow in get_number (bsc#1217329).
• CVE-2023-48237: overflow in shift_line (bsc#1217330).
• CVE-2023-48706: heap-use-after-free in ex_substitute (bsc#1217432).
• CVE-2024-22667: stack-based buffer overflow in did_set_langmap function in map.c (bsc#1219581).
• CVE-2023-4750: Heap use-after-free in function bt_quickfix (bsc#1215005).

It was discovered that Vim could be made to divide by zero. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 23.04. (CVE-2023-3896)

It was discovered that Vim did not properly manage memory. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2023-4733, CVE-2023-4750)

It was discovered that Vim contained an arithmetic overflow. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-4734)

It was discovered that Vim could be made to write out of bounds. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2023-4735, CVE-2023-5344)

It was discovered that Vim could be made to write out of bounds. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 23.04 and Ubuntu 23.10. (CVE-2023-4738)

It was discovered that Vim could be made to write out of bounds. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-4751)

It was discovered that Vim did not properly manage memory. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-4752, CVE-2023-5535)

It was discovered that Vim could be made to write out of bounds. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-4781)

It was discovered that Vim could be made to dereference invalid memory. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-5441)