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CVE-2020-28928

Status Candidate

Overview

In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).

Related Files

Ubuntu Security Notice USN-5990-1
Posted Mar 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5990-1 - It was discovered that musl did not handle certain i386 math functions properly. An attacker could use this vulnerability to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, and Ubuntu 18.04 LTS. It was discovered that musl did not handle wide-character conversion properly. A remote attacker could use this vulnerability to cause resource consumption , denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-14697, CVE-2020-28928
SHA-256 | b6e09cb3df48f1603306a37b23ec5dbf13b8d183102120952ebf7665142a0fb0
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