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CVE-2021-39537

Status Candidate

Overview

An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.

Related Files

Ubuntu Security Notice USN-6099-1
Posted May 23, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6099-1 - It was discovered that ncurses was incorrectly performing bounds checks when processing invalid hashcodes. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. It was discovered that ncurses was incorrectly handling end-of-string characters when processing terminfo and termcap files. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2019-17594, CVE-2019-17595, CVE-2021-39537, CVE-2022-29458, CVE-2023-29491
SHA-256 | bd5932f6f83f66022d0f8b28696a79dea826d643696406d830f69821bd9667dd
Apple Security Advisory 2022-10-27-9
Posted Oct 31, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-10-27-9 - macOS Big Sur 11.7 addresses buffer overflow, bypass, code execution, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2021-39537, CVE-2022-1622, CVE-2022-1720, CVE-2022-2000, CVE-2022-2042, CVE-2022-2124, CVE-2022-2125, CVE-2022-2126, CVE-2022-32854, CVE-2022-32864, CVE-2022-32866, CVE-2022-32875, CVE-2022-32877, CVE-2022-32881
SHA-256 | c73e2857761c956068e7a87947efc7e08c6f030930c3825652195b19d8ccc25d
Apple Security Advisory 2022-10-27-7
Posted Oct 31, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-10-27-7 - macOS Monterey 12.6 addresses buffer overflow, bypass, code execution, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2021-39537, CVE-2022-0261, CVE-2022-0318, CVE-2022-0319, CVE-2022-0351, CVE-2022-0359, CVE-2022-0361, CVE-2022-0368, CVE-2022-0392, CVE-2022-1622, CVE-2022-1720, CVE-2022-2000, CVE-2022-2042, CVE-2022-2124
SHA-256 | 776bd472212b024c0a271e2551d3e338398d5e89c05777543489fa9ed80d28dd
Apple Security Advisory 2022-10-27-5
Posted Oct 31, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-10-27-5 - macOS Ventura 13 addresses buffer overflow, bypass, code execution, out of bounds read, out of bounds write, spoofing, and use-after-free vulnerabilities.

tags | advisory, overflow, spoof, vulnerability, code execution
systems | apple
advisories | CVE-2021-36690, CVE-2021-39537, CVE-2022-0261, CVE-2022-0318, CVE-2022-0319, CVE-2022-0351, CVE-2022-0359, CVE-2022-0361, CVE-2022-0368, CVE-2022-0392, CVE-2022-0554, CVE-2022-0572, CVE-2022-0629, CVE-2022-0685
SHA-256 | 3acadbdb8812693038c84186a33588f660d21ef0d86d37fed28252cd722353fc
Apple Security Advisory 2022-10-24-2
Posted Oct 31, 2022
Authored by Apple | Site apple.com

Apple Security Advisory 2022-10-24-2 - macOS Ventura 13 addresses buffer overflow, bypass, code execution, out of bounds read, out of bounds write, spoofing, and use-after-free vulnerabilities.

tags | advisory, overflow, spoof, vulnerability, code execution
systems | apple
advisories | CVE-2021-36690, CVE-2021-39537, CVE-2022-0261, CVE-2022-0318, CVE-2022-0319, CVE-2022-0351, CVE-2022-0359, CVE-2022-0361, CVE-2022-0368, CVE-2022-0392, CVE-2022-0554, CVE-2022-0572, CVE-2022-0629, CVE-2022-0685
SHA-256 | 6079729b55040d59bc544ef4ea8803f65453b425e834e4a26b85341c8dbb3ca6
Ubuntu Security Notice USN-5477-1
Posted Jun 19, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5477-1 - Hosein Askari discovered that ncurses was incorrectly performing memory management operations when dealing with long filenames while writing structures into the file system. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. Chung-Yi Lin discovered that ncurses was incorrectly handling access to invalid memory areas when parsing terminfo or termcap entries where the use-name had invalid syntax. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16879, CVE-2018-19211, CVE-2019-17594, CVE-2019-17595, CVE-2021-39537, CVE-2022-29458
SHA-256 | c875ea9f5728bc60c9bfeafd7fc67e19e834562f07e2806fd5a78bbedbb3d9b6
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