July 19, 2023, 3:46 p.m. |

Packet Storm packetstormsecurity.com

Ubuntu Security Notice 6237-1 - Hiroki Kurosawa discovered that curl incorrectly handled validating certain certificate wildcards. A remote attacker could possibly use this issue to spoof certain website certificates using IDN hosts. Hiroki Kurosawa discovered that curl incorrectly handled callbacks when certain options are set by applications. This could cause applications using curl to misbehave, resulting in information disclosure, or a denial of service.

applications certificate certificates curl idn issue notice options security security notice spoof ubuntu usn website wildcards

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