CVE-2022-0714

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.4436.

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.4436.

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):

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.4436.(CVE-2022-0714)

Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 8.2.4440.(CVE-2022-0729)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.4436.

• SECURITY UPDATE: Crash with weird 'vartabstop' value
  • debian/patches/CVE-2022-0714.patch: Check for running into the end of the line
  • CVE-2022-0714
• SECURITY UPDATE: Substitute overwrites allocated buffer
  • debian/patches/CVE-2022-1897.patch: Disallow undo when in a substitute command
  • CVE-2022-1897
• SECURITY UPDATE: Cursor position may be invalid after "0;" range
  • debian/patches/CVE-2022-1927.patch: Check the cursor position when it was set by ";" in the range
  • CVE-2022-1886

vim is vulnerable to out of bounds read (CVE-2022-0213) Heap-based Buffer Overflow in block_insert() in src/ops.c (CVE-2022-0261) a heap-based OOB read of size 1 (CVE-2022-0128) heap-based buffer overflow in utf_head_off() in mbyte.c (CVE-2022-0318) access of memory location before start of buffer (CVE-2022-0351) heap-based buffer overflow in init_ccline() in ex_getln.c (CVE-2022-0359) Stack-based Buffer Overflow in spellsuggest.c (CVE-2022-0408) use after free in src/ex_cmds.c (CVE-2022-0413) out-of-bounds read in delete_buff_tail() in getchar.c (CVE-2022-0393) heap-based-buffer-overflow in ex_retab() of src/indent.c (CVE-2022-0417) heap-use-after-free in enter_buffer() of src/buffer.c (CVE-2022-0443) heap overflow in ex_retab() may lead to crash (CVE-2022-0572) Stack-based Buffer Overflow in vim prior to 8.2. (CVE-2022-0629) NULL Pointer Dereference in vim prior to 8.2 (CVE-2022-0696) buffer overflow (CVE-2022-0714) Use of Out-of-range Pointer Offset (CVE-2022-0729) Use of Out-of-range Pointer Offset in vim (CVE-2022-0685) Use of Out-of-range Pointer Offset in vim (CVE-2022-0554) Heap-based Buffer Overflow occurs in vim (CVE-2022-0943) heap buffer overflow in get_one_sourceline (CVE-2022-1160) use after free in utf_ptr2char (CVE-2022-1154) global heap buffer overflow in skip_range (CVE-2022-1381) Out-of-range Pointer Offset (CVE-2022-1420) heap-buffer-overflow in append_command of src/ex_docmd.c (CVE-2022-1616) heap-buffer-overflow in cmdline_erase_chars of ex_getln.c (CVE-2022-1619) NULL Pointer Dereference in vim_regexec_string() of regexp.c (CVE-2022-1620) heap buffer overflow (CVE-2022-1621) buffer over-read (CVE-2022-1629) NULL pointer dereference in vim_regexec_string() of regexp.c (CVE-2022-1674) a buffer over-read found in scriptfile.c (CVE-2022-1769) Heap-based Buffer Overflow in cindent.c (CVE-2022-1733)

These are all security issues fixed in the gvim-8.2.4456-1.1 package on the GA media of openSUSE Tumbleweed.

It was discovered that Vim was incorrectly processing Vim buffers. An attacker could possibly use this issue to perform illegal memory access and expose sensitive information. (CVE-2022-0554)

It was discovered that Vim was not properly performing bounds checks for column numbers when replacing tabs with spaces or spaces with tabs, which could cause a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0572)

It was discovered that Vim was not properly performing validation of data that contained special multi-byte characters, which could cause an out-of-bounds read. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-0685)

It was discovered that Vim was incorrectly processing data used to define indentation in a file, which could cause a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-0714)

It was discovered that Vim was incorrectly processing certain regular expression patterns and strings, which could cause an out-of-bounds read. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-0729)

It was discovered that Vim was not properly performing bounds checks when executing spell suggestion commands, which could cause a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0943)

It was discovered that Vim was incorrectly performing bounds checks when processing invalid commands with composing characters in Ex mode, which could cause a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-1616)

It was discovered that Vim was not properly processing latin1 data when issuing Ex commands, which could cause a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-1619)

It was discovered that Vim was not properly performing memory management when dealing with invalid regular expression patterns in buffers, which could cause a NULL pointer dereference. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-1620)

It was discovered that Vim was not properly processing invalid bytes when performing spell check operations, which could cause a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-1621)

It was discovered that Vim was incorrectly processing Vim buffers. An
attacker could possibly use this issue to perform illegal memory access and expose sensitive information. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-4166)

It was discovered that Vim was using freed memory when dealing with regular expressions inside a visual selection. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. This issue only affected Ubuntu 14.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-4192)

It was discovered that Vim was incorrectly handling virtual column position operations, which could result in an out-of-bounds read. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 14.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-4193)

It was discovered that Vim was not properly performing bounds checks when updating windows present on a screen, which could result in a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0213)

It was discovered that Vim was incorrectly performing read and write operations when in visual block mode, going beyond the end of a line and causing a heap buffer overflow. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-0261, CVE-2022-0318)

It was discovered that Vim was incorrectly handling window exchanging operations when in Visual mode, which could result in an out-of-bounds read. An attacker could possibly use this issue to expose sensitive information. (CVE-2022-0319)

It was discovered that Vim was incorrectly handling recursion when parsing conditional expressions. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0351)

It was discovered that Vim was not properly handling memory allocation when processing data in Ex mode, which could result in a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0359)

It was discovered that Vim was not properly performing bounds checks when executing line operations in Visual mode, which could result in a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-0361, CVE-2022-0368)

It was discovered that Vim was not properly handling loop conditions when looking for spell suggestions, which could result in a stack buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0408)

It was discovered that Vim was incorrectly handling memory access when executing buffer operations, which could result in the usage of freed memory. An attacker could possibly use this issue to execute arbitrary code. (CVE-2022-0443)

It was discovered that Vim was incorrectly processing Vim buffers. An attacker could possibly use this issue to perform illegal memory access and expose sensitive information. (CVE-2022-0554)

It was discovered that Vim was not properly performing bounds checks for column numbers when replacing tabs with spaces or spaces with tabs, which could cause a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2022-0572)

It was discovered that Vim was incorrectly processing Vim buffers. An attacker could possibly use this issue to perform illegal memory access and expose sensitive information. This issue only affected…