drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Prüfung von Zertifikaten in curl
Name: |
Mangelnde Prüfung von Zertifikaten in curl |
|
ID: |
201703-04 |
|
Distribution: |
Gentoo |
|
Plattformen: |
Keine Angabe |
|
Datum: |
Di, 28. März 2017, 07:39 |
|
Referenzen: |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2629 |
|
Applikationen: |
curl |
|
Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --WotB93GjuLi9RpccexV0Q3oOgp2idf5lL Content-Type: multipart/mixed; boundary="NESbploifhQvsrbgw2seKgRrtRqwX9bCS"; protected-headers="v1" From: Yury German <blueknight@gentoo.org> To: gentoo-announce@lists.gentoo.org Message-ID: <78557eaf-5d66-ab37-275a-dc313f607277@gentoo.org> Subject: [ GLSA 201703-04 ] cURL: Certificate validation error
--NESbploifhQvsrbgw2seKgRrtRqwX9bCS Content-Type: text/plain; charset=utf- Content-Transfer-Encoding: quoted-printable
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201703-04 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: cURL: Certificate validation error Date: March 28, 2017 Bugs: #610572 ID: 201703-04
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis ========
A coding error has been found in cURL, causing the TLS Certificate Status Request extension check to always return true.
Background ==========
cURL is a tool and libcurl is a library for transferring data with URL syntax.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/curl < 7.53.0 >= 7.53.0
Description ===========
cURL and applications linked against libcurl support "OCSP stapling", also known as the TLS Certificate Status Request extension (using the CURLOPT_SSL_VERIFYSTATUS option). When telling cURL to use this feature, it uses that TLS extension to ask for a fresh proof of the server's certificate's validity. If the server doesn't support the extension, or fails to provide said proof, cURL is expected to return an error. Due to a coding mistake, the code that checks for a test success or failure, ends up always thinking there's valid proof, even when there is none or if the server doesn't support the TLS extension in question.
Impact ======
Due to the error, a user maybe does not detect when a server's certificate goes invalid or otherwise be mislead that the server is in a better shape than it is in reality.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All cURL users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/curl-7.53.0"
References ==========
[ 1 ] CVE-2017-2629 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2629
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/201703-04
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License =======
Copyright 2017 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
--NESbploifhQvsrbgw2seKgRrtRqwX9bCS--
--WotB93GjuLi9RpccexV0Q3oOgp2idf5lL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc"
-----BEGIN PGP SIGNATURE-----
iQEcBAEBCAAGBQJY2c96AAoJEB9lYVdQaQ1Q6dMH/04rOlRnznsfLWMmJLLYo3+P JwrK/7mvxhdJ55fMWugvL2J8qr/ikNH7HhibvgHUZVoO/tPxktwJjVm7U6qBUGEc mwNta2zeFMQN3ma5XwftIi0mYHDoS5PrI1QNdMornZiGv+AMUPIyc9BiMx44TYEi jAF1qziPh4O0sRQzNF0yvtJgdOpan5QTxEkQY3N+fjwbpA+QMhtXB6LJz0CoUgRF Gex9wCRTpKvPpgmVcNgdpm4bzu20wN4857xB+JOheAl1cUUITb0POVXjYlLKylmA AsCG1De36Jh4cFq6dMwEWHCgthcr+gXVerElyv5Vr3BBPVIk0tMPW9yvr8sSCh8= =FCAf -----END PGP SIGNATURE-----
--WotB93GjuLi9RpccexV0Q3oOgp2idf5lL--
|
|
|
|