vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-1752): GNU C Library vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:H/Au:N/C:P/I:P/A:P) | Apr 1, 2020 | Aug 5, 2020 | Aug 18, 2025 |
Severity
4
CVSS
(AV:L/AC:H/Au:N/C:P/I:P/A:P)
Published
Apr 1, 2020
Added
Aug 5, 2020
Modified
Aug 18, 2025
Description
A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.
Solution
ubuntu-upgrade-libc6
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