SUSE CVE-2023-27535

An authentication bypass vulnerability exists in libcurl 8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain...

SUSE CVE-2023-27538

An authentication bypass vulnerability exists in libcurl prior to v8.0.0 where it reuses a previously established SSH connection despite the fact that an SSH option was modified, which should have prevented reuse. libcurl maintains a pool of previously used connections to reuse them for subsequen...

Amazon Linux 2023 : curl, curl-minimal, libcurl (ALAS2023-2023-114)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-114 advisory. A flaw was found in the Curl package, where the HSTS mechanism would be ignored by subsequent transfers when done on the same command line because the state would not be properly carried. This...

Amazon Linux 2023 : curl, curl-minimal, libcurl (ALAS2023-2023-083)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-083 advisory. 2024-02-15: CVE-2022-27781 was added to this advisory. A vulnerability was found in curl. This security flaw allows reusing OAUTH2-authenticated connections without properly ensuring that the...

CURL-CVE-2023-27535 FTP too eager connection reuse

libcurl would reuse a previously created FTP connection even when one or more options had been changed that could have made the effective user a different one, thus leading to doing the second transfer with the wrong credentials. libcurl keeps previously used connections in a connection pool for...

CURL-CVE-2023-27537 HSTS double free

libcurl supports sharing HSTS data between separate "handles". This sharing was introduced without considerations for doing this sharing across separate threads but there was no indication of this fact in the documentation. Due to missing mutexes or thread locks, two threads sharing the same HSTS...

CURL-CVE-2023-27536 GSS delegation too eager connection reuse

libcurl would reuse a previously created connection even when the GSS delegation CURLOPTGSSAPIDELEGATION option had been changed that could have changed the user's permissions in a second transfer. libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if...

CURL-CVE-2023-27538 SSH connection too eager reuse still

libcurl would reuse a previously created connection even when an 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, two SSH settings were...

Internet Bug Bounty: CVE-2023-27538: SSH connection too eager reuse still

A vulnerability was found in libcurl that allowed the reuse of a previously created SSH connection even when an SSH related option had been changed that should have prohibited reuse. This was due to two SSH settings being left out from the configuration match checks, making them match too easily...

Internet Bug Bounty: CVE-2023-27536: GSS delegation too eager connection re-use

A vulnerability was found in libcurl versions 7.22.0 to 7.88.1 that allowed for the reuse of a previously created connection even when the GSS delegation option had been changed, potentially changing the user's permissions in a second transfer. This could affect krb5/kerberos/negotiate/GSSAPI...

Internet Bug Bounty: CVE-2023-27535: FTP too eager connection reuse

A vulnerability was found in libcurl versions 7.13.0 to 7.88.1 that allowed the reuse of previously created FTP connections even when one or more options had been changed, leading to the second transfer being done with wrong credentials. This was due to several FTP settings being left out from th...

CVE-2023-27535

An authentication bypass vulnerability exists in libcurl 8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain...

CVE-2023-27537

A double free vulnerability exists in libcurl 8.0.0 when sharing HSTS data between separate "handles". This sharing was introduced without considerations for do this sharing across separate threads but there was no indication of this fact in the documentation. Due to missing mutexes or thread...

libcurl 授权问题漏洞

libcurl is a tool for transferring data from or to a server. An authorization issue vulnerability exists in libcurl version v8.0.0, which stems from the ability to reuse a previously established SSH connection and an authentication bypass vulnerability...

CVE-2023-27538

An authentication bypass vulnerability exists in libcurl prior to v8.0.0 where it reuses a previously established SSH connection despite the fact that an SSH option was modified, which should have prevented reuse. libcurl maintains a pool of previously used connections to reuse them for subsequen...

curl 授权问题漏洞

curl is libcurl is got is A security vulnerability exists in curl versions prior to 8.0 that stems from an authentication bypass vulnerability that could lead to unauthorized access to sensitive information...

CVE-2023-27536

An authentication bypass vulnerability exists libcurl 8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPTGSSAPIDELEGATION option. This vulnerability affects...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : curl vulnerabilities (USN-5964-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5964-1 advisory. Harry Sintonen discovered that curl incorrectly handled certain TELNET connection options. Due to lack of proper input scrubbing,...

UBUNTU-CVE-2023-27535

An authentication bypass vulnerability exists in libcurl 8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain...

UBUNTU-CVE-2023-27538

An authentication bypass vulnerability exists in libcurl prior to v8.0.0 where it reuses a previously established SSH connection despite the fact that an SSH option was modified, which should have prevented reuse. libcurl maintains a pool of previously used connections to reuse them for subsequen...