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Ubuntu Security Notice USN-5702-1

Ubuntu Security Notice USN-5702-1
Posted Oct 27, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5702-1 - Robby Simpson discovered that curl incorrectly handled certain POST operations after PUT operations. This issue could cause applications using curl to send the wrong data, perform incorrect memory operations, or crash. Hiroki Kurosawa discovered that curl incorrectly handled parsing .netrc files. If an attacker were able to provide a specially crafted .netrc file, this issue could cause curl to crash, resulting in a denial of service. This issue only affected Ubuntu 22.10.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2022-32221, CVE-2022-35260, CVE-2022-42915, CVE-2022-42916
SHA-256 | abce9130e44a5745556c40692b098b2f27521fb7fe9f2336f2ae1e79874e5e67

Ubuntu Security Notice USN-5702-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5702-1
October 26, 2022

curl vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in curl.

Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

Robby Simpson discovered that curl incorrectly handled certain POST
operations after PUT operations. This issue could cause applications using
curl to send the wrong data, perform incorrect memory operations, or crash.
(CVE-2022-32221)

Hiroki Kurosawa discovered that curl incorrectly handled parsing .netrc
files. If an attacker were able to provide a specially crafted .netrc file,
this issue could cause curl to crash, resulting in a denial of service.
This issue only affected Ubuntu 22.10. (CVE-2022-35260)

It was discovered that curl incorrectly handled certain HTTP proxy return
codes. A remote attacker could use this issue to cause curl to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-42915)

Hiroki Kurosawa discovered that curl incorrectly handled HSTS support
when certain hostnames included IDN characters. A remote attacker could
possibly use this issue to cause curl to use unencrypted connections. This
issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-42916)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
curl 7.85.0-1ubuntu0.1
libcurl3-gnutls 7.85.0-1ubuntu0.1
libcurl3-nss 7.85.0-1ubuntu0.1
libcurl4 7.85.0-1ubuntu0.1

Ubuntu 22.04 LTS:
curl 7.81.0-1ubuntu1.6
libcurl3-gnutls 7.81.0-1ubuntu1.6
libcurl3-nss 7.81.0-1ubuntu1.6
libcurl4 7.81.0-1ubuntu1.6

Ubuntu 20.04 LTS:
curl 7.68.0-1ubuntu2.14
libcurl3-gnutls 7.68.0-1ubuntu2.14
libcurl3-nss 7.68.0-1ubuntu2.14
libcurl4 7.68.0-1ubuntu2.14

Ubuntu 18.04 LTS:
curl 7.58.0-2ubuntu3.21
libcurl3-gnutls 7.58.0-2ubuntu3.21
libcurl3-nss 7.58.0-2ubuntu3.21
libcurl4 7.58.0-2ubuntu3.21

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5702-1
CVE-2022-32221, CVE-2022-35260, CVE-2022-42915, CVE-2022-42916

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.85.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.6
https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.14
https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.21
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