CVE-2019-19203
Published: 21 November 2019
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
Priority
Status
Package | Release | Status |
---|---|---|
libonig Launchpad, Ubuntu, Debian |
bionic |
Released
(6.7.0-1ubuntu0.1~esm2)
Available with Ubuntu Pro |
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Not vulnerable
(6.9.4-1)
|
|
groovy |
Not vulnerable
(6.9.4-1)
|
|
hirsute |
Not vulnerable
(6.9.4-1)
|
|
impish |
Not vulnerable
(6.9.4-1)
|
|
jammy |
Not vulnerable
(6.9.4-1)
|
|
kinetic |
Not vulnerable
(6.9.4-1)
|
|
lunar |
Not vulnerable
(6.9.4-1)
|
|
trusty |
Released
(5.9.1-1ubuntu1.1+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(6.9.4_rc2)
|
|
xenial |
Released
(5.9.6-1ubuntu0.1+esm3)
Available with Ubuntu Pro |
|
Patches: upstream: https://github.com/kkos/oniguruma/commit/aa0188eaedc056dca8374ac03d0177429b495515 |
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |