CVE-2020-8284
CVE-2020-8284
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 3.7 · Low · EPSS 3.9% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
https://github.com/curl/curl
- Versions
- 7.73.0 and earlier: Affected
No fix published
curl Debian:12
- Affected ranges
- ECOSYSTEM: < 7.74.0-1
Update to 7.74.0-1
curl Debian:13
- Affected ranges
- ECOSYSTEM: < 7.74.0-1
Update to 7.74.0-1
curl Debian:14
- Affected ranges
- ECOSYSTEM: < 7.74.0-1
Update to 7.74.0-1
curl Ubuntu:Pro:14.04:LTS
- Versions
- 7.32.0-1ubuntu1
- 7.33.0-1ubuntu1
- 7.34.0-1ubuntu1
- 7.35.0-1ubuntu1
- 7.35.0-1ubuntu2
- 7.35.0-1ubuntu2.1
- 7.35.0-1ubuntu2.2
- 7.35.0-1ubuntu2.3
- 7.35.0-1ubuntu2.5
- 7.35.0-1ubuntu2.6
- 7.35.0-1ubuntu2.7
- 7.35.0-1ubuntu2.8
- 7.35.0-1ubuntu2.9
- 7.35.0-1ubuntu2.10
- 7.35.0-1ubuntu2.11
- 7.35.0-1ubuntu2.12
- 7.35.0-1ubuntu2.13
- 7.35.0-1ubuntu2.14
- 7.35.0-1ubuntu2.15
- 7.35.0-1ubuntu2.16
- 7.35.0-1ubuntu2.17
- 7.35.0-1ubuntu2.19
- 7.35.0-1ubuntu2.20
- 7.35.0-1ubuntu2.20+esm2
- 7.35.0-1ubuntu2.20+esm3
- 7.35.0-1ubuntu2.20+esm4
- 7.35.0-1ubuntu2.20+esm5
- Affected ranges
- ECOSYSTEM: < 7.35.0-1ubuntu2.20+esm6
Update to 7.35.0-1ubuntu2.20+esm6
curl Ubuntu:16.04:LTS
- Versions
- 7.43.0-1ubuntu2
- 7.45.0-1ubuntu1
- 7.46.0-1ubuntu1
- 7.47.0-1ubuntu1
- 7.47.0-1ubuntu2
- 7.47.0-1ubuntu2.1
- 7.47.0-1ubuntu2.2
- 7.47.0-1ubuntu2.3
- 7.47.0-1ubuntu2.4
- 7.47.0-1ubuntu2.5
- 7.47.0-1ubuntu2.6
- 7.47.0-1ubuntu2.7
- 7.47.0-1ubuntu2.8
- 7.47.0-1ubuntu2.9
- 7.47.0-1ubuntu2.11
- 7.47.0-1ubuntu2.12
- 7.47.0-1ubuntu2.13
- 7.47.0-1ubuntu2.14
- 7.47.0-1ubuntu2.15
- 7.47.0-1ubuntu2.16
- Affected ranges
- ECOSYSTEM: < 7.47.0-1ubuntu2.18
Update to 7.47.0-1ubuntu2.18
curl Ubuntu:18.04:LTS
- Versions
- 7.55.1-1ubuntu2
- 7.55.1-1ubuntu2.1
- 7.57.0-1ubuntu1
- 7.58.0-2ubuntu1
- 7.58.0-2ubuntu2
- 7.58.0-2ubuntu3
- 7.58.0-2ubuntu3.1
- 7.58.0-2ubuntu3.2
- 7.58.0-2ubuntu3.3
- 7.58.0-2ubuntu3.5
- 7.58.0-2ubuntu3.6
- 7.58.0-2ubuntu3.7
- 7.58.0-2ubuntu3.8
- 7.58.0-2ubuntu3.9
- 7.58.0-2ubuntu3.10
- Affected ranges
- ECOSYSTEM: < 7.58.0-2ubuntu3.12
Update to 7.58.0-2ubuntu3.12
curl Ubuntu:20.04:LTS
- Versions
- 7.65.3-1ubuntu3
- 7.65.3-1ubuntu4
- 7.66.0-1ubuntu1
- 7.67.0-2ubuntu1
- 7.68.0-1ubuntu1
- 7.68.0-1ubuntu2
- 7.68.0-1ubuntu2.1
- 7.68.0-1ubuntu2.2
- Affected ranges
- ECOSYSTEM: < 7.68.0-1ubuntu2.4
Update to 7.68.0-1ubuntu2.4
Original sources
- https://hackerone.com/reports/1040166
- https://curl.se/docs/CVE-2020-8284.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/
- https://security.gentoo.org/glsa/202012-14
- https://www.debian.org/security/2021/dsa-4881
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://security.netapp.com/advisory/ntap-20210122-0007/
- https://support.apple.com/kb/HT212325
- https://support.apple.com/kb/HT212326
- https://support.apple.com/kb/HT212327
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://cert-portal.siemens.com/productcert/html/ssa-389290.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-8284