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CVE-2020-8597

Publication date 3 February 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.

Status

Package Ubuntu Release Status
lwip 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Needs evaluation
19.10 eoan Ignored
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
ppp 24.04 LTS noble
Fixed 2.4.7-2+4.1ubuntu5
23.10 mantic
Fixed 2.4.7-2+4.1ubuntu5
23.04 lunar
Fixed 2.4.7-2+4.1ubuntu5
22.10 kinetic
Fixed 2.4.7-2+4.1ubuntu5
22.04 LTS jammy
Fixed 2.4.7-2+4.1ubuntu5
21.10 impish
Fixed 2.4.7-2+4.1ubuntu5
21.04 hirsute
Fixed 2.4.7-2+4.1ubuntu5
20.10 groovy
Fixed 2.4.7-2+4.1ubuntu5
20.04 LTS focal
Fixed 2.4.7-2+4.1ubuntu5
19.10 eoan
Fixed 2.4.7-2+4.1ubuntu4.1
18.04 LTS bionic
Fixed 2.4.7-2+2ubuntu1.2
16.04 LTS xenial
Fixed 2.4.7-1+2ubuntu1.16.04.2
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
lwip
ppp

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references