Bug 1654930 (CVE-2018-16869)

Summary:	CVE-2018-16869 nettle: Leaky data conversion exposing a manager oracle
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	abhgupta, bmcclain, crypto-team, dbaker, dfediuck, dueno, dwmw2, eedri, jokerman, mgoldboi, michal.skrivanek, mike, rh-spice-bugs, sardella, sbonazzo, security-response-team, sherold, ssorce, sthangav, trankin
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process could use this flaw extract plain text or, in some cases, downgrade any TLS connections to a vulnerable server.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-25 22:22:10 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1655397, 1655398, 1655399, 1655400, 1655401, 1655402, 1655403, 1658603
Bug Blocks:	1649548

Description Sam Fowler 2018-11-30 04:00:44 UTC

Nettle is vulnerable to leaky data conversion exposing a manager oracle.

Comment 1 Huzaifa S. Sidhpurwala 2018-12-03 05:02:14 UTC

External References:

http://cat.eyalro.net/

Comment 2 Huzaifa S. Sidhpurwala 2018-12-03 05:07:07 UTC

Created mingw-nettle tracking bugs for this issue:

Affects: epel-7 [bug 1655400]
Affects: fedora-all [bug 1655398]


Created nettle tracking bugs for this issue:

Affects: epel-6 [bug 1655399]
Affects: fedora-all [bug 1655397]