Vulnerabilities > CVE-2020-8284
Attack vector
NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
LOW Integrity impact
NONE Availability impact
NONE Summary
A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.
Vulnerable Configurations
References
- https://hackerone.com/reports/1040166
- https://curl.se/docs/CVE-2020-8284.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
- https://security.gentoo.org/glsa/202012-14
- https://security.netapp.com/advisory/ntap-20210122-0007/
- https://www.debian.org/security/2021/dsa-4881
- https://support.apple.com/kb/HT212325
- https://support.apple.com/kb/HT212326
- https://support.apple.com/kb/HT212327
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/