CVE-2018-20721
Published: 16 January 2019
URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a "//[::44.1" address.
From the Ubuntu Security Team
It was discovered that uriparser incorrectly handled certain URIs. An attacker could use this vulnerability to cause a crash or possibly leak sensitive information.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
uriparser Launchpad, Ubuntu, Debian |
cosmic |
Not vulnerable
(0.9.1-1)
|
| bionic |
Released
(0.8.4-1+deb9u2build0.18.04.1)
|
|
| hirsute |
Not vulnerable
(0.9.1-1)
|
|
| xenial |
Released
(0.8.4-1ubuntu0.16.04.1~esm2)
Available with Ubuntu Pro |
|
| disco |
Not vulnerable
(0.9.1-1)
|
|
| eoan |
Not vulnerable
(0.9.1-1)
|
|
| focal |
Not vulnerable
(0.9.1-1)
|
|
| groovy |
Not vulnerable
(0.9.1-1)
|
|
| impish |
Not vulnerable
(0.9.1-1)
|
|
| jammy |
Not vulnerable
(0.9.1-1)
|
|
| trusty |
Released
(0.7.5-1ubuntu2+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(0.9.1-1, 0.9.1)
|
|
|
Patches: upstream: https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4.patch |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| 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 |