CVE-2022-27781

A vulnerability was found in curl. This issue occurs due to an erroneous function. A malicious server could make curl within Network Security Services NSS get stuck in a never-ending busy loop when trying to retrieve that information. This flaw allows an Infinite Loop, affecting system availabili...

CVE-2022-27780

A vulnerability was found in curl. This issue occurs because the curl URL parser wrongly accepts percent-encoded URL separators like '/' when decoding the hostname part of a URL, making it a different URL using the wrong hostname when it is later retrieved. This flaw allows a malicious actor to...

CVE-2022-27779

A vulnerability was found in curl. The issue occurs because curl wrongly allows HTTP cookies to be set for Top Level Domains TLDs if the hostname is provided with a trailing dot. This flaw allows arbitrary sites to set cookies that get sent to a different and unrelated site or domain by a malicio...

CVE-2022-27778

A vulnerability was found in curl. The issue occurs when removing the wrong file when "--no-clobber" is used together with "--remove-on-error." This flaw leads to removing files by mistake or by a malicious actor. Mitigation Do not use "--no-clobber" with "--remove-on-error"...

CURL-CVE-2022-30115 HSTS bypass via trailing dot

curl's HSTS check could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS directly instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. This mechanism could be bypassed if the hostname in the given URL used ...

HSTS bypass via trailing dot

curl's HSTS check could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS directly instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. This mechanism could be bypassed if the hostname in the given URL used ...

percent-encoded path separator in URL host

The curl URL parser wrongly accepts percent-encoded URL separators like '/' when decoding the hostname part of a URL, making it a different URL using the wrong hostname when it is later retrieved. For example, a URL like http://example.com%2F10.0.0.1/, would be allowed by the parser and get...

CURL-CVE-2022-27780 percent-encoded path separator in URL host

The curl URL parser wrongly accepts percent-encoded URL separators like '/' when decoding the hostname part of a URL, making it a different URL using the wrong hostname when it is later retrieved. For example, a URL like http://example.com%2F10.0.0.1/, would be allowed by the parser and get...

CURL-CVE-2022-27779 cookie for trailing dot TLD

libcurl wrongly allows HTTP cookies to be set for Top Level Domains TLDs if the hostname is provided with a trailing dot. curl can be told to receive and send cookies when communicating using HTTPS. curl's "cookie engine" can be built with or without Public Suffix List awareness. If PSL support n...

CURL-CVE-2022-27778 curl removes wrong file on error

curl might remove the wrong file when --no-clobber is used together with --remove-on-error. The --remove-on-error option tells curl to remove the output file when it returns an error, and not leave a partial file behind. The --no-clobber option prevents curl from overwriting a file if it already...

curl removes wrong file on error

curl might remove the wrong file when --no-clobber is used together with --remove-on-error. The --remove-on-error option tells curl to remove the output file when it returns an error, and not leave a partial file behind. The --no-clobber option prevents curl from overwriting a file if it already...

CURL-CVE-2022-27782 TLS and SSH connection too eager reuse

libcurl would reuse a previously created connection even when a TLS or SSH related option had been changed that should have prohibited reuse. libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. However, several TLS and...

CVE-2022-30115

A vulnerability was found in curl. This issue occurs because when using its HTTP Strict Transport SecurityHSTS support, it can instruct curl to use HTTPS directly instead of using an insecure clear text HTTP step even when HTTP is provided in the URL. This flaw leads to a clear text transmission ...

Internet Bug Bounty: CVE-2022-27782: TLS and SSH connection too eager reuse

Summary: Curl fails to consider some security related options when reusing TLS connections. For example: TLS CURLOPTSSLOPTIONS CURLOPTPROXYSSLOPTIONS CURLOPTCRLFILE CURLOPTPROXYCRLFILE CURLOPTTLSAUTHTYPE CURLOPTTLSAUTHUSERNAME CURLOPTTLSAUTHPASSWORD CURLOPTPROXYTLSAUTHTYPE...

Internet Bug Bounty: CVE-2022-27778: curl removes wrong file on error

Summary: Curl command has a logic flaw that results in removal of a wrong file when combining --no-clobber and --remove-on-error if the target file name exists and an error occurs. Steps To Reproduce: 1. echo "important file" foo 2. echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 666\r\n\r\nHello\n"...

Internet Bug Bounty: CVE-2022-30115: HSTS bypass via trailing dot

Advisory: https://curl.se/docs/CVE-2022-30115.html Original Report: https://hackerone.com/reports/1557449 Impact HSTS bypass...

CVE-2022-27780

The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a different URL usingthe wrong host name when it is later retrieved.For example, a URL like http://example.com%2F127.0.0.1/, would be allowed bythe parser and get...

curl 安全漏洞

curl is a tool for transferring data from or to a server. A security vulnerability exists in curl versions 7.82.0 through 7.83.0, which stems from the fact that curl's HSTS checks can be bypassed, allowing it to continue using the HTTP protocol...

curl 代码问题漏洞

curl is a tool used to transfer data from or to a server. A code issue vulnerability exists in curl, which arises from the URL parser incorrectly accepting percentage-encoded URL separators when decoding the hostname portion of a URL...

curl 安全漏洞

curl is a tool used to transfer data from and to servers. curl versions 7.82.0 to 7.83.1 are vulnerable to an information disclosure vulnerability that stems from the fact that libcurl incorrectly allows cookies to be set for top-level domains TLDs if the hostname has a trailing dot, which can te...