Published: 04/06/2021 Updated: 29/03/2022

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

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

SOGo 2.x prior to 2.4.1 and 3.x up to and including 5.x prior to 5.1.1 does not validate the signatures of any SAML assertions it receives. Any actor with network access to the deployment could impersonate users when SAML is the authentication method. (Only versions after 2.0.5a are affected.)

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inverse sogo
debian debian linux 9.0
debian debian linux 10.0
debian debian linux 11.0

Debian Bug report logs - #989479 sogo: CVE-2021-33054 Package: src:sogo; Maintainer for src:sogo is Debian SOGo Maintainers <pkg-sogo-maintainers@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 4 Jun 2021 21:09:02 UTC Severity: grave Tags: security, upstream Found in versi ...

It was discovered that missing SAML signature validation in the SOGo groupware could result in impersonation attacks For the oldstable distribution (buster), this problem has been fixed in version 407-1+deb10u2 For the stable distribution (bullseye), this problem has been fixed in version 501-4+deb11u1 We recommend that you upgrade your sogo ...

CWE-347 https://github.com/inverse-inc/sogo/blob/master/CHANGELOG.md https://www.sogo.nu/news.html https://blogs.akamai.com/2021/06/sogo-and-packetfence-impacted-by-saml-implementation-vulnerabilities.html https://lists.debian.org/debian-lts-announce/2021/07/msg00007.html https://www.debian.org/security/2021/dsa-5029 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989479 https://nvd.nist.gov https://www.debian.org/security/2021/dsa-5029

CVE-2021-33054

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