CVE-2017-9022: Input Validation
First published: Thu Jun 08 2017(Updated: )
The gmp plugin in strongSwan before 5.5.3 does not properly validate RSA public keys before calling mpz_powm_sec, which allows remote peers to cause a denial of service (floating point exception and process crash) via a crafted certificate.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| strongSwan | <=5.5.2 | |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =16.10 | |
| Ubuntu | =17.04 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-9022?
CVE-2017-9022 has a severity level that may lead to denial of service due to improper validation of RSA public keys.
How do I fix CVE-2017-9022?
To fix CVE-2017-9022, upgrade strongSwan to version 5.5.3 or later.
Which versions of strongSwan are affected by CVE-2017-9022?
Versions of strongSwan prior to 5.5.3 are affected by CVE-2017-9022.
What type of attack does CVE-2017-9022 allow?
CVE-2017-9022 allows remote peers to cause a denial of service through crafted certificates.
Is CVE-2017-9022 relevant to Debian and Ubuntu systems?
Yes, CVE-2017-9022 affects certain versions of Debian and Ubuntu systems running vulnerable versions of strongSwan.
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- vendor/strongswan
- canonical/strongswan
- version/strongswan/5.5.2
- vendor/debian
- canonical/debian linux
- version/debian linux/8.0
- version/debian linux/9.0
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/14.04
- version/ubuntu/16.04
- version/ubuntu/16.10
- version/ubuntu/17.04