CVE-2017-9229

Publication date 24 May 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.

From the Ubuntu Security Team

It was discovered that Oniguruma incorrectly handled certain regular expressions. An attacker could possibly use this issue to obtain sensitive information, cause a denial of service or execute arbitrary code.

Status

Package Ubuntu Release Status
libonig 18.04 LTS bionic
Fixed 6.3.0-1
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed 5.9.6-1ubuntu0.1
14.04 LTS trusty
Fixed 5.9.1-1ubuntu1.1
php5 18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 5.5.9+dfsg-1ubuntu4.22
php7.0 18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty
Fixed 7.0.22-0ubuntu0.17.04.1
16.04 LTS xenial
Fixed 7.0.22-0ubuntu0.16.04.1
14.04 LTS trusty Not in release
php7.1 18.04 LTS bionic Not in release
17.10 artful
Fixed 7.1.8-1ubuntu1
17.04 zesty Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Patch details

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

Package Patch details
libonig
php5
php7.0
php7.1

Severity score breakdown

Parameter Value
Base score 7.5 · High
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

References

Related Ubuntu Security Notices (USN)

Other references