Information Exposure Affecting libcurl-devel package, versions <0:7.61.1-18.el8
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Test your applications- Snyk ID SNYK-RHEL8-LIBCURLDEVEL-3983247
- published 26 Jul 2021
- disclosed 9 Dec 2020
Introduced: 9 Dec 2020
CVE-2020-8284 Open this link in a new tabHow to fix?
Upgrade RHEL:8
libcurl-devel
to version 0:7.61.1-18.el8 or higher.
This issue was patched in RHSA-2021:1610
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libcurl-devel
package and not the libcurl-devel
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
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.
References
- 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://access.redhat.com/security/cve/CVE-2020-8284
- https://www.debian.org/security/2021/dsa-4881
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/
- https://security.gentoo.org/glsa/202012-14
- https://curl.se/docs/CVE-2020-8284.html
- https://hackerone.com/reports/1040166
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://access.redhat.com/errata/RHSA-2021:1610
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/