CVE-2018-20103
Published: 12 December 2018
An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
haproxy Launchpad, Ubuntu, Debian |
bionic |
Released
(1.8.8-1ubuntu0.3)
|
| cosmic |
Released
(1.8.13-2ubuntu0.1)
|
|
| trusty |
Does not exist
(trusty was not-affected [code not present])
|
|
| upstream |
Released
(1.8.15-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |