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Sicherheit: Denial of Service in openssl-1_1
Aktuelle Meldungen Distributionen
Name: Denial of Service in openssl-1_1
ID: openSUSE-SU-2018:2117-1
Distribution: SUSE
Plattformen: SUSE openSUSE Leap 15.0
Datum: Sa, 28. Juli 2018, 15:45
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0732
Applikationen: OpenSSL

Originalnachricht

   openSUSE Security Update: Security update for openssl-1_1
______________________________________________________________________________

Announcement ID: openSUSE-SU-2018:2117-1
Rating: moderate
References: #1097158 #1097624 #1098592
Cross-References: CVE-2018-0732
Affected Products:
openSUSE Leap 15.0
______________________________________________________________________________

An update that solves one vulnerability and has two fixes
is now available.

Description:

This update for openssl-1_1 fixes the following issues:

- CVE-2018-0732: During key agreement in a TLS handshake using a DH(E)
based ciphersuite a malicious server could have sent a very large prime
value to the client. This caused the client to spend an unreasonably
long period of time generating a key for this prime resulting in a hang
until the client has finished. This could be exploited in a Denial Of
Service attack (bsc#1097158).
- Blinding enhancements for ECDSA and DSA (bsc#1097624, bsc#1098592)

This update was imported from the SUSE:SLE-15:Update update project.


Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended
installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.0:

zypper in -t patch openSUSE-2018-777=1



Package List:

- openSUSE Leap 15.0 (i586 x86_64):

libopenssl-1_1-devel-1.1.0h-lp150.3.3.1
libopenssl1_1-1.1.0h-lp150.3.3.1
libopenssl1_1-debuginfo-1.1.0h-lp150.3.3.1
libopenssl1_1-hmac-1.1.0h-lp150.3.3.1
openssl-1_1-1.1.0h-lp150.3.3.1
openssl-1_1-debuginfo-1.1.0h-lp150.3.3.1
openssl-1_1-debugsource-1.1.0h-lp150.3.3.1

- openSUSE Leap 15.0 (x86_64):

libopenssl-1_1-devel-32bit-1.1.0h-lp150.3.3.1
libopenssl1_1-32bit-1.1.0h-lp150.3.3.1
libopenssl1_1-32bit-debuginfo-1.1.0h-lp150.3.3.1
libopenssl1_1-hmac-32bit-1.1.0h-lp150.3.3.1

- openSUSE Leap 15.0 (noarch):

openssl-1_1-doc-1.1.0h-lp150.3.3.1


References:

https://www.suse.com/security/cve/CVE-2018-0732.html
https://bugzilla.suse.com/1097158
https://bugzilla.suse.com/1097624
https://bugzilla.suse.com/1098592

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