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CVE-2022-27781

Status Candidate

Overview

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Related Files

Gentoo Linux Security Advisory 202212-01
Posted Dec 19, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202212-1 - Multiple vulnerabilities have been found in curl, the worst of which could result in arbitrary code execution. Versions less than 7.86.0 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2021-22922, CVE-2021-22923, CVE-2021-22925, CVE-2021-22926, CVE-2021-22945, CVE-2021-22946, CVE-2021-22947, CVE-2022-22576, CVE-2022-27774, CVE-2022-27775, CVE-2022-27776, CVE-2022-27779, CVE-2022-27780, CVE-2022-27781
SHA-256 | e297fe6f1bca3eb09660ab5922cdfac1c9a3279734e9e89e74cc758a3e08ac46
Debian Security Advisory 5197-1
Posted Aug 28, 2022
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5197-1 - Multiple security vulnerabilities have been discovered in cURL, an URL transfer library. These flaws may allow remote attackers to obtain sensitive information, leak authentication or cookie header data or facilitate a denial of service attack.

tags | advisory, remote, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2021-22898, CVE-2021-22924, CVE-2021-22945, CVE-2021-22946, CVE-2021-22947, CVE-2022-22576, CVE-2022-27774, CVE-2022-27775, CVE-2022-27776, CVE-2022-27781, CVE-2022-27782, CVE-2022-32205, CVE-2022-32206, CVE-2022-32207
SHA-256 | 77ef9f5619851e18009af5092abdfe753f0a668e45b9771f079b64a5b7aa8eca
Ubuntu Security Notice USN-5499-1
Posted Jul 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5499-1 - Florian Kohnhuser discovered that curl incorrectly handled returning a TLS server’s certificate chain details. A remote attacker could possibly use this issue to cause curl to stop responding, resulting in a denial of service. Harry Sintonen discovered that curl incorrectly handled certain FTP-KRB messages. An attacker could possibly use this to perform a machine-in-the-middle attack.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-27781, CVE-2022-32208
SHA-256 | 579ac0d4fbdd6b3c4bbc8ad5e07aa9f74a39a82dc0fe5bff37ac34f9fa633de5
Ubuntu Security Notice USN-5412-1
Posted May 11, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5412-1 - Axel Chong discovered that curl incorrectly handled percent-encoded URL separators. A remote attacker could possibly use this issue to trick curl into using the wrong URL and bypass certain checks or filters. This issue only affected Ubuntu 22.04 LTS. Florian Kohnhuser discovered that curl incorrectly handled returning a TLS server's certificate chain details. A remote attacker could possibly use this issue to cause curl to stop responding, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-27780, CVE-2022-27781, CVE-2022-27782
SHA-256 | 477ec6bff1dfd28bf6df200de8f8540192a02b1e6306fa486d364e719ff4bca8
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