Ubuntu.comUB:CVE-2021-28994CVE-2021-28994
CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
47.7%
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.
Notes
| Author | Note |
|---|---|
| yomonokio | No patch is available but the maintainers proposed a workaround https://kopano.com/news/solving-problems-kopano-ical-service/ |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | kopanocore | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | kopanocore | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | kopanocore | < any | UNKNOWN |
Related
CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
47.7%