March 20, 2023, 12:30 p.m. |

Ubuntu security notices ubuntu.com

Harry Sintonen discovered that curl incorrectly handled certain TELNET
connection options. Due to lack of proper input scrubbing, curl could pass
on user name and telnet options to the server as provided, contrary to
expectations. (CVE-2023-27533)

Harry Sintonen discovered that curl incorrectly handled special tilde
characters when used with SFTP paths. A remote attacker could possibly use
this issue to circumvent filtering. (CVE-2023-27534)

Harry Sintonen discovered that curl incorrectly reused certain FTP
connections. This could lead to the wrong credentials …

characters connections curl cve ftp input issue name options server sftp special telnet usn vulnerabilities

Information Security Engineers

@ D. E. Shaw Research | New York City

Senior Cybersecurity Technical Delivery Manager

@ MUFG | London Ropemaker place

Junior consultant-Technology Risk

@ EY | Bratislava, SK, 811 02

Director of Security Engineering, Information Security

@ Illumio | Sunnyvale, California

Cyber Analyst II 03396 NWG

@ North Wind Group | KNOXVILLE, TN

CRIT Information Security Officer (f/m/d)

@ Deutsche Börse | Frankfurt am Main, DE