CVE-2020-8597
Publication date 3 February 2020
Last updated 18 August 2025
Ubuntu priority
Description
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 | 25.10 questing |
Not affected
|
| 25.04 plucky |
Not affected
|
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| ppp | 25.10 questing |
Fixed 2.4.7-2+4.1ubuntu5
|
| 25.04 plucky |
Fixed 2.4.7-2+4.1ubuntu5
|
|
| 24.04 LTS noble |
Fixed 2.4.7-2+4.1ubuntu5
|
|
| 22.04 LTS jammy |
Fixed 2.4.7-2+4.1ubuntu5
|
|
| 20.04 LTS focal |
Fixed 2.4.7-2+4.1ubuntu5
|
|
| 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 |
Fixed 2.4.5-5.1ubuntu2.3+esm1
|
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Get Ubuntu Pro 30-day free trialSeverity 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)
- USN-4288-1
- ppp vulnerability
- 20 February 2020
- USN-4288-2
- ppp vulnerability
- 2 March 2020