[SECURITY] [DSA 4661-1] openssl security update

2020-04-2113:58:12

lists.debian.org

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.081 Low

EPSS

Percentile

94.2%

JSON

Debian Security Advisory DSA-4661-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
April 21, 2020 https://www.debian.org/security/faq

Package : openssl
CVE ID : CVE-2020-1967

Bernd Edlinger discovered that malformed data passed to the
SSL_check_chain() function during or after a TLS 1.3 handshake could
cause a NULL dereference, resulting in denial of service.

The oldstable distribution (stretch) is not affected.

For the stable distribution (buster), this problem has been fixed in
version 1.1.1d-0+deb10u3.

We recommend that you upgrade your openssl packages.

For the detailed security status of openssl please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/openssl

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

OSVersionArchitecturePackageVersionFilename
Debian10s390xlibssl1.1-dbgsym< 1.1.1d-0+deb10u3libssl1.1-dbgsym_1.1.1d-0+deb10u3_s390x.deb
Debian10mipslibcrypto1.1-udeb< 1.1.1d-0+deb10u3libcrypto1.1-udeb_1.1.1d-0+deb10u3_mips.deb
Debian10mipselopenssl< 1.1.1d-0+deb10u3openssl_1.1.1d-0+deb10u3_mipsel.deb
Debian10i386libssl1.1-dbgsym< 1.1.1d-0+deb10u3libssl1.1-dbgsym_1.1.1d-0+deb10u3_i386.deb
Debian10i386libssl-dev< 1.1.1d-0+deb10u3libssl-dev_1.1.1d-0+deb10u3_i386.deb
Debian10armhflibssl1.1-dbgsym< 1.1.1d-0+deb10u3libssl1.1-dbgsym_1.1.1d-0+deb10u3_armhf.deb
Debian10armellibssl1.1-udeb< 1.1.1d-0+deb10u3libssl1.1-udeb_1.1.1d-0+deb10u3_armel.deb
Debian10mipselopenssl-dbgsym< 1.1.1d-0+deb10u3openssl-dbgsym_1.1.1d-0+deb10u3_mipsel.deb
Debian10s390xlibssl1.1-udeb< 1.1.1d-0+deb10u3libssl1.1-udeb_1.1.1d-0+deb10u3_s390x.deb
Debian10arm64libssl1.1-dbgsym< 1.1.1d-0+deb10u3libssl1.1-dbgsym_1.1.1d-0+deb10u3_arm64.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	s390x	libssl1.1-dbgsym	< 1.1.1d-0+deb10u3	libssl1.1-dbgsym_1.1.1d-0+deb10u3_s390x.deb
Debian	10	mips	libcrypto1.1-udeb	< 1.1.1d-0+deb10u3	libcrypto1.1-udeb_1.1.1d-0+deb10u3_mips.deb
Debian	10	mipsel	openssl	< 1.1.1d-0+deb10u3	openssl_1.1.1d-0+deb10u3_mipsel.deb
Debian	10	i386	libssl1.1-dbgsym	< 1.1.1d-0+deb10u3	libssl1.1-dbgsym_1.1.1d-0+deb10u3_i386.deb
Debian	10	i386	libssl-dev	< 1.1.1d-0+deb10u3	libssl-dev_1.1.1d-0+deb10u3_i386.deb
Debian	10	armhf	libssl1.1-dbgsym	< 1.1.1d-0+deb10u3	libssl1.1-dbgsym_1.1.1d-0+deb10u3_armhf.deb
Debian	10	armel	libssl1.1-udeb	< 1.1.1d-0+deb10u3	libssl1.1-udeb_1.1.1d-0+deb10u3_armel.deb
Debian	10	mipsel	openssl-dbgsym	< 1.1.1d-0+deb10u3	openssl-dbgsym_1.1.1d-0+deb10u3_mipsel.deb
Debian	10	s390x	libssl1.1-udeb	< 1.1.1d-0+deb10u3	libssl1.1-udeb_1.1.1d-0+deb10u3_s390x.deb
Debian	10	arm64	libssl1.1-dbgsym	< 1.1.1d-0+deb10u3	libssl1.1-dbgsym_1.1.1d-0+deb10u3_arm64.deb