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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-28322 |
An information disclosure vulnerability exists in curl <v8.1.0 when doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously wasused to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the second transfer. The problem exists in the logic for a reused handle when it is (expected to be) changed from a PUT to a POST. Published: May 26, 2023; 5:15:16 PM -0400 |
V4.0:(not available) V3.1: 3.7 LOW V2.0:(not available) |
CVE-2023-28321 |
An improper certificate validation vulnerability exists in curl <v8.1.0 in the way it supports matching of wildcard patterns when listed as "Subject Alternative Name" in TLS server certificates. curl can be built to use its own name matching function for TLS rather than one provided by a TLS library. This private wildcard matching function would match IDN (International Domain Name) hosts incorrectly and could as a result accept patterns that otherwise should mismatch. IDN hostnames are converted to puny code before used for certificate checks. Puny coded names always start with `xn--` and should not be allowed to pattern match, but the wildcard check in curl could still check for `x*`, which would match even though the IDN name most likely contained nothing even resembling an `x`. Published: May 26, 2023; 5:15:16 PM -0400 |
V4.0:(not available) V3.1: 5.9 MEDIUM V2.0:(not available) |
CVE-2023-28320 |
A denial of service vulnerability exists in curl <v8.1.0 in the way libcurl provides several different backends for resolving host names, selected at build time. If it is built to use the synchronous resolver, it allows name resolves to time-out slow operations using `alarm()` and `siglongjmp()`. When doing this, libcurl used a global buffer that was not mutex protected and a multi-threaded application might therefore crash or otherwise misbehave. Published: May 26, 2023; 5:15:15 PM -0400 |
V4.0:(not available) V3.1: 5.9 MEDIUM V2.0:(not available) |
CVE-2023-28319 |
A use after free vulnerability exists in curl <v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails, libcurl would free the memory for the fingerprint before it returns an error message containing the (now freed) hash. This flaw risks inserting sensitive heap-based data into the error message that might be shown to users or otherwise get leaked and revealed. Published: May 26, 2023; 5:15:10 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2022-43552 |
A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path. Published: February 09, 2023; 3:15:10 PM -0500 |
V4.0:(not available) V3.1: 5.9 MEDIUM V2.0:(not available) |
CVE-2022-32221 |
When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously was used to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the subsequent `POST` request. The problem exists in the logic for a reused handle when it is changed from a PUT to a POST. Published: December 05, 2022; 5:15:10 PM -0500 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0:(not available) |
CVE-2022-35252 |
When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control codes that when later are sent back to a HTTPserver might make the server return 400 responses. Effectively allowing a"sister site" to deny service to all siblings. Published: September 23, 2022; 10:15:12 AM -0400 |
V4.0:(not available) V3.1: 3.7 LOW V2.0:(not available) |
CVE-2022-32206 |
curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors. Published: July 07, 2022; 9:15:08 AM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2022-27782 |
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily. Published: June 02, 2022; 10:15:44 AM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2022-27781 |
libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation. Published: June 02, 2022; 10:15:44 AM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2022-27776 |
A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redirects to the same host but another port number. Published: June 02, 2022; 10:15:43 AM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2022-27774 |
An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow an attacker to extract credentials when follows HTTP(S) redirects is used with authentication could leak credentials to other services that exist on different protocols or port numbers. Published: June 02, 2022; 10:15:43 AM -0400 |
V4.0:(not available) V3.1: 5.7 MEDIUM V2.0: 3.5 LOW |
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. Published: December 14, 2020; 3:15:13 PM -0500 |
V4.0:(not available) V3.1: 3.7 LOW V2.0: 4.3 MEDIUM |
CVE-2016-4606 |
Curl before 7.49.1 in Apple OS X before macOS Sierra prior to 10.12 allows remote or local attackers to execute arbitrary code, gain sensitive information, cause denial-of-service conditions, bypass security restrictions, and perform unauthorized actions. This may aid in other attacks. Published: February 20, 2020; 9:15:10 PM -0500 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2019-5443 |
A non-privileged user or program can put code and a config file in a known non-privileged path (under C:/usr/local/) that will make curl <= 7.65.1 automatically run the code (as an openssl "engine") on invocation. If that curl is invoked by a privileged user it can do anything it wants. Published: July 02, 2019; 3:15:10 PM -0400 |
V4.0:(not available) V3.1: 7.8 HIGH V2.0: 4.4 MEDIUM |
CVE-2016-8625 |
curl before version 7.51.0 uses outdated IDNA 2003 standard to handle International Domain Names and this may lead users to potentially and unknowingly issue network transfer requests to the wrong host. Published: August 01, 2018; 2:29:00 AM -0400 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2016-8623 |
A flaw was found in curl before version 7.51.0. The way curl handles cookies permits other threads to trigger a use-after-free leading to information disclosure. Published: August 01, 2018; 2:29:00 AM -0400 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2016-8620 |
The 'globbing' feature in curl before version 7.51.0 has a flaw that leads to integer overflow and out-of-bounds read via user controlled input. Published: August 01, 2018; 2:29:00 AM -0400 |
V4.0:(not available) V3.0: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2016-8619 |
The function `read_data()` in security.c in curl before version 7.51.0 is vulnerable to memory double free. Published: August 01, 2018; 2:29:00 AM -0400 |
V4.0:(not available) V3.0: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2016-8616 |
A flaw was found in curl before version 7.51.0 When re-using a connection, curl was doing case insensitive comparisons of user name and password with the existing connections. This means that if an unused connection with proper credentials exists for a protocol that has connection-scoped credentials, an attacker can cause that connection to be reused if s/he knows the case-insensitive version of the correct password. Published: August 01, 2018; 2:29:00 AM -0400 |
V4.0:(not available) V3.0: 5.9 MEDIUM V2.0: 4.3 MEDIUM |