Information disclosure in Apple macOS
CVE-2020-8284
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.
Vulnerability class: Information Disclosure
EPSS: 0.039 (89.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Apple Macos — versions 11.0.1, 11.1, 11.2
- Apple Mac_os_x — versions 10.14.6, 10.15.7
- Fujitsu M10-1
- Fujitsu M10-1_firmware
- Fujitsu M10-4
- Fujitsu M10-4_firmware
- Fujitsu M10-4s
- Fujitsu M10-4s_firmware
- Fujitsu M12-1
- Fujitsu M12-1_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (Permissions Required, x_refsource_MISC)
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
- support@hackerone.com (x_refsource_FEDORA, vendor-advisory, Mailing List, Third Party Advisory)
- support@hackerone.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- support@hackerone.com (x_refsource_FEDORA, vendor-advisory, Mailing List, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- support@hackerone.com (Patch, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_CONFIRM, Third Party Advisory)
- support@hackerone.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8284?
- CVE-2020-8284 is a low-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 3.7/10. Published 2020-12-14.
- How severe is CVE-2020-8284?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2020-8284 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.