USN-6237-3: curl vulnerabilities
11 September 2023
Several security issues were fixed in curl.
- curl - HTTP, HTTPS, and FTP client and client libraries
USN-6237-1 fixed several vulnerabilities in curl. This update provides the
corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and
Ubuntu 18.04 LTS.
Original advisory details:
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. (CVE-2023-28321)
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. (CVE-2023-28322)
It was discovered that curl incorrectly handled saving cookies to files. A
local attacker could possibly use this issue to create or overwrite files.
This issue only affected Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-32001)
The problem can be corrected by updating your system to the following package versions:
- curl - 7.58.0-2ubuntu3.24+esm1
- libcurl3-gnutls - 7.58.0-2ubuntu3.24+esm1
- libcurl3-nss - 7.58.0-2ubuntu3.24+esm1
- libcurl4 - 7.58.0-2ubuntu3.24+esm1
- curl - 7.47.0-1ubuntu2.19+esm9
- libcurl3 - 7.47.0-1ubuntu2.19+esm9
- libcurl3-gnutls - 7.47.0-1ubuntu2.19+esm9
- libcurl3-nss - 7.47.0-1ubuntu2.19+esm9
- curl - 7.35.0-1ubuntu2.20+esm16
- libcurl3 - 7.35.0-1ubuntu2.20+esm16
- libcurl3-gnutls - 7.35.0-1ubuntu2.20+esm16
- libcurl3-nss - 7.35.0-1ubuntu2.20+esm16
In general, a standard system update will make all the necessary changes.
- USN-6237-1: libcurl4-nss-dev, libcurl3-nss, libcurl3-gnutls, curl, libcurl4-gnutls-dev, libcurl4-openssl-dev, libcurl4-doc, libcurl4