CVE-2020-1752
- State
- Published
- Severity
- 7.0 High
- Published
- Apr 30, 2020
- Updated
- Oct 14, 2026
- Reserved
- Nov 27, 2019
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | redhat |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
glibcGNU Libc |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1752
- https://sourceware.org/bugzilla/show_bug.cgi?id=25414
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ddc650e9b3dc916eab417ce9f79e67337b05035c
- https://security.netapp.com/advisory/ntap-20200511-0005/
- USN-4416-1vendor-advisory
- GLSA-202101-20vendor-advisory
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8mailing-list
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8mailing-list
- [debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security updatemailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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