CVE-2021-28994 — Vulnetix

CVE-2021-28994 PUBLISHED

kopano-ical (formerly zarafa-ical) in Kopano Groupware Core through 8.7.16, 9.x through 9.1.0, 10.x through 10.0.7, and 11.x through 11.0.1 and Zarafa 6.30.x through 7.2.x allows memory exhaustion via long HTTP headers.

EPSS 0.41% · 61.6th percentile

Risk Scores

EPSS Score

0.41%

61.6th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:Pro:18.04:LTS	kopanocore	8.5.5-0ubuntu1+esm1, 8.5.5-0ubuntu1, 8.5.2-1ubuntu1
Ubuntu:22.04:LTS	kopanocore	8.7.0-7.1ubuntu4, 8.7.0-7.1ubuntu6, 8.7.0-7.1ubuntu7
Ubuntu:20.04:LTS	kopanocore	0, 8.7.0-7ubuntu1, 8.7.0-3build2

Exploit Intelligence

https://www.openwall.com/lists/oss-security/2021/03/19/6 (nist-nvd)
[oss-security] 20210401 Re: kopano-core 11.0.1: Remote DoS by memory exhaustion (circl)
[oss-security] 20210425 Re: kopano-core 11.0.1.77: Remote DoS with out-of-bounds access (circl)

Timeline

Mar 31, 2021 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Aug 24, 2021 EPSS Score
Oct 26, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 28, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 1, 2022 EPSS Score
Jul 3, 2022 EPSS Score
Sep 4, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2021-28994 third-party-advisory
https://www.openwall.com/lists/oss-security/2021/03/19/6 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2021-28994 third-party-advisory

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