CVE-2019-20477
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
Moderate: python38:3.8 security, bug fix, and enhancement update
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2020-4641.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-20477
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2020:4641
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rocky | 8 | fixed | |
| debian | bookworm | fixed | 5.2-1 |
| debian | bullseye | fixed | 5.2-1 |
| debian | forky | fixed | 5.2-1 |
| debian | sid | fixed | 5.2-1 |
| debian | trixie | fixed | 5.2-1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-20477
- https://github.com/advisories/GHSA-3pqx-4fqf-j49f
- https://github.com/pypa/advisory-database/tree/main/vulns/pyyaml/PYSEC-2020-176.yaml
- https://github.com/yaml/pyyaml
- https://github.com/yaml/pyyaml/blob/master/CHANGES
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/33VBUY73AA6CTTYL3LRWHNFDULV7PFPN
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52N5XS73Z5S4ZN7I7R56ICCPCTKCUV4H
- https://www.exploit-db.com/download/47655
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52N5XS73Z5S4ZN7I7R56ICCPCTKCUV4H/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/33VBUY73AA6CTTYL3LRWHNFDULV7PFPN/
- https://errata.rockylinux.org/RLSA-2020:4641
- https://security-tracker.debian.org/tracker/CVE-2019-20477
- https://errata.almalinux.org/8/ALSA-2020-4641.html
Verify integrity in audit chain (admin only). AS-IS.