openSUSE: 2021:0476-1 Important: OpenSSL Denial of Service Issue
opensuse
March 25, 2021
An update that fixes one vulnerability is now available
Description
This update for openssl-1_1 fixes the security issue:
* CVE-2021-3449: An OpenSSL TLS server may crash if sent a maliciously
crafted renegotiation ClientHello message from a client. If a TLSv1.2
renegotiation ClientHello omits the signature_algorithms extension but
includes a signature_algorithms_cert extension, then a NULL pointer
dereference will result, leading to a crash and a denial of service
attack. OpenSSL TLS clients are not impacted by this issue. [bsc#1183852]
This update was imported from the SUSE:SLE-15-SP2:Update update project.
Topics Covered
Patch
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 15.2:
zypper in -t patch openSUSE-2021-476=1
Package List
- openSUSE Leap 15.2 (i586 x86_64):
libopenssl-1_1-devel-1.1.1d-lp152.7.15.1
libopenssl1_1-1.1.1d-lp152.7.15.1
libopenssl1_1-debuginfo-1.1.1d-lp152.7.15.1
libopenssl1_1-hmac-1.1.1d-lp152.7.15.1
openssl-1_1-1.1.1d-lp152.7.15.1
openssl-1_1-debuginfo-1.1.1d-lp152.7.15.1
openssl-1_1-debugsource-1.1.1d-lp152.7.15.1
- openSUSE Leap 15.2 (noarch):
openssl-1_1-doc-1.1.1d-lp152.7.15.1
- openSUSE Leap 15.2 (x86_64):
libopenssl-1_1-devel-32bit-1.1.1d-lp152.7.15.1
libopenssl1_1-32bit-1.1.1d-lp152.7.15.1
libopenssl1_1-32bit-debuginfo-1.1.1d-lp152.7.15.1
libopenssl1_1-hmac-32bit-1.1.1d-lp152.7.15.1
References
https://www.suse.com/security/cve/CVE-2021-3449.html
https://bugzilla.suse.com/1183852
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2021:0476-1
Rating: important
Affected Products:
openSUSE Leap 15.2
.
Topics Covered
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