CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
76.4%
Debian Security Advisory DSA-4875-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
March 25, 2021 https://www.debian.org/security/faq
Package : openssl
CVE ID : CVE-2021-3449
A NULL pointer dereference was found in the signature_algorithms
processing in OpenSSL, a Secure Sockets Layer toolkit, which could
result in denial of service.
Additional details can be found in the upstream advisory:
https://www.openssl.org/news/secadv/20210325.txt
For the stable distribution (buster), this problem has been fixed in
version 1.1.1d-0+deb10u6.
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]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 10 | mips64el | libssl1.1 | < 1.1.1d-0+deb10u6 | libssl1.1_1.1.1d-0+deb10u6_mips64el.deb |
Debian | 10 | arm64 | libcrypto1.1-udeb | < 1.1.1d-0+deb10u6 | libcrypto1.1-udeb_1.1.1d-0+deb10u6_arm64.deb |
Debian | 10 | i386 | libssl-dev | < 1.1.1d-0+deb10u6 | libssl-dev_1.1.1d-0+deb10u6_i386.deb |
Debian | 10 | armhf | libssl1.1 | < 1.1.1d-0+deb10u6 | libssl1.1_1.1.1d-0+deb10u6_armhf.deb |
Debian | 10 | s390x | libssl-dev | < 1.1.1d-0+deb10u6 | libssl-dev_1.1.1d-0+deb10u6_s390x.deb |
Debian | 10 | armel | libcrypto1.1-udeb | < 1.1.1d-0+deb10u6 | libcrypto1.1-udeb_1.1.1d-0+deb10u6_armel.deb |
Debian | 10 | armel | openssl | < 1.1.1d-0+deb10u6 | openssl_1.1.1d-0+deb10u6_armel.deb |
Debian | 10 | s390x | openssl-dbgsym | < 1.1.1d-0+deb10u6 | openssl-dbgsym_1.1.1d-0+deb10u6_s390x.deb |
Debian | 10 | i386 | libssl1.1-dbgsym | < 1.1.1d-0+deb10u6 | libssl1.1-dbgsym_1.1.1d-0+deb10u6_i386.deb |
Debian | 10 | s390x | libcrypto1.1-udeb | < 1.1.1d-0+deb10u6 | libcrypto1.1-udeb_1.1.1d-0+deb10u6_s390x.deb |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
76.4%