Vulnerability Details : CVE-2020-28928
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).
Vulnerability category: OverflowMemory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2020-28928
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 19 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-28928
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-28928
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-28928
-
https://musl.libc.org/releases.html
musl libc Release HistoryRelease Notes;Vendor Advisory
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https://www.oracle.com//security-alerts/cpujul2021.html
Oracle Critical Patch Update Advisory - July 2021Patch;Third Party Advisory
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https://lists.apache.org/thread.html/r90b60cf49348e515257b4950900c1bd3ab95a960cf2469d919c7264e@%3Cnotifications.apisix.apache.org%3E
[apisix-docker] branch master updated: fix: upgrade alpine version due to CVE-2020-28928 (#166) - Pony MailMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKQ3RVSMVZNZNO4D65W2CZZ4DMYFZN2Q/
[SECURITY] Fedora 34 Update: musl-1.2.2-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UW27QVY7ERPTSGKS4KAWE5TU7EJWHKVQ/
[SECURITY] Fedora 33 Update: musl-1.2.2-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.apache.org/thread.html/ra63e8dc5137d952afc55dbbfa63be83304ecf842d1eab1ff3ebb29e2@%3Cnotifications.apisix.apache.org%3E
[GitHub] [apisix-docker] tao12345666333 opened a new pull request #166: fix: upgrade alpine version due to CVE-2020-28928 - Pony MailMailing List;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2020/11/20/4
oss-security - CVE-2020-28928: musl libc: wcsnrtombs destination buffer overflowMailing List;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2020/11/msg00050.html
[SECURITY] [DLA 2474-1] musl security updateMailing List;Third Party Advisory
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https://www.oracle.com/security-alerts/cpuoct2021.html
Oracle Critical Patch Update Advisory - October 2021Patch;Third Party Advisory
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https://lists.apache.org/thread.html/r2134abfe847bea7795f0e53756d10a47e6643f35ab8169df8b8a9eb1@%3Cnotifications.apisix.apache.org%3E
[GitHub] [apisix-docker] starsz merged pull request #166: fix: upgrade alpine version due to CVE-2020-28928 - Pony MailMailing List;Third Party Advisory
Products affected by CVE-2020-28928
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:graalvm:20.3.2:*:*:*:enterprise:*:*:*
- cpe:2.3:a:oracle:graalvm:21.1.0:*:*:*:enterprise:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:musl-libc:musl:*:*:*:*:*:*:*:*