- Vulnerability/
- USN-3625-1
USN-3625-1: Perl vulnerabilities
First published: Mon Apr 16 2018(Updated: )
It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Perl to hang, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2015-8853) It was discovered that Perl incorrectly loaded libraries from the current working directory. A local attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6185) It was discovered that Perl incorrectly handled the rmtree and remove_tree functions. A local attacker could possibly use this issue to set the mode on arbitrary files. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-6512) Brian Carpenter discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue has only been addressed in Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2018-6797) Nguyen Duc Manh discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2018-6798) GwanYeong Kim discovered that Perl incorrectly handled certain data when using the pack function. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-6913)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/perl | <5.26.0-8ubuntu1.1 | 5.26.0-8ubuntu1.1 |
| =17.10 | ||
| All of | ||
| ubuntu/perl | <5.22.1-9ubuntu0.3 | 5.22.1-9ubuntu0.3 |
| =16.04 | ||
| All of | ||
| ubuntu/perl | <5.18.2-2ubuntu1.4 | 5.18.2-2ubuntu1.4 |
| =14.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2015-8853
- https://ubuntu.com/security/CVE-2016-6185
- https://ubuntu.com/security/CVE-2017-6512
- https://ubuntu.com/security/CVE-2018-6797
- https://ubuntu.com/security/CVE-2018-6798
- https://ubuntu.com/security/CVE-2018-6913
- https://ubuntu.com/security/notices/USN-3625-2
- https://launchpad.net/ubuntu/+source/perl/5.26.0-8ubuntu1.1
- https://launchpad.net/ubuntu/+source/perl/5.22.1-9ubuntu0.3
- https://launchpad.net/ubuntu/+source/perl/5.18.2-2ubuntu1.4
- https://ubuntu.com/security/notices/USN-3625-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID of this advisory?
The vulnerability ID of this advisory is USN-3625-1.
What is the severity of USN-3625-1?
The severity of USN-3625-1 is not specified in the information provided.
What software versions are affected by USN-3625-1?
USN-3625-1 affects Perl versions 5.26.0-8ubuntu1.1, 5.22.1-9ubuntu0.3, and 5.18.2-2ubuntu1.4.
How can an attacker exploit USN-3625-1?
This vulnerability can be exploited by an attacker to cause Perl to hang, resulting in a denial of service.
How can I fix USN-3625-1?
To fix USN-3625-1, update to Perl version 5.26.0-8ubuntu1.1 if you are using Ubuntu 17.10, version 5.22.1-9ubuntu0.3 if you are using Ubuntu 16.04, or version 5.18.2-2ubuntu1.4 if you are using Ubuntu 14.04.
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- agent/last-modified-date
- agent/references
- agent/severity
- agent/softwarecombine
- agent/tags
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