CVE-2021-22923 - log back

CVE-2021-22923 edited at 21 Jul 2021 09:48:11
Description
- When curl before version 7.78.0 is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user's expectations and intentions and without telling the user it happened.
+ A security issue has been found in curl before version 7.78.0 When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from; often contrary to the user's expectations and intentions and without telling the user it happened.
This flaw exists only in the curl tool. libcurl is not affected.
Notes
+ Workaround
+ ==========
+
+ The issue can be mitigated by making sure not to use metalink with curl.
CVE-2021-22923 edited at 21 Jul 2021 09:43:49
Severity
- High
+ Medium
CVE-2021-22923 edited at 21 Jul 2021 09:41:52
Severity
- Unknown
+ High
Remote
- Unknown
+ Remote
Type
- Unknown
+ Information disclosure
Description
+ When curl before version 7.78.0 is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user's expectations and intentions and without telling the user it happened.
+
+ This flaw exists only in the curl tool. libcurl is not affected.
References
+ https://curl.se/docs/CVE-2021-22923.html
+ https://github.com/curl/curl/pull/7176
+ https://github.com/curl/curl/commit/265b14d6b37c4298bd5556fabcbc37d36f911693
Notes
CVE-2021-22923 created at 21 Jul 2021 09:06:34