Deserialization of Untrusted Data Affecting tcpdf package, versions <6.2.26+dfsg-1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-TCPDF-275143
- published25 Sept 2018
- disclosed14 Sept 2018
Introduced: 14 Sep 2018
CVE-2018-17057 (opens in a new tab)How to fix?
Upgrade Debian:unstable tcpdf to version 6.2.26+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tcpdf package and not the tcpdf package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
An issue was discovered in TCPDF before 6.2.22. Attackers can trigger deserialization of arbitrary data via the phar:// wrapper.
References
- https://security-tracker.debian.org/tracker/CVE-2018-17057
- https://www.exploit-db.com/exploits/46634/
- https://github.com/LimeSurvey/LimeSurvey/commit/1cdd78d27697b3150bb44aaa7af1a81062a591a5
- https://github.com/tecnickcom/TCPDF/commit/1861e33fe05f653b67d070f7c106463e7a5c26ed
- http://packetstormsecurity.com/files/152200/TCPDF-6.2.19-Deserialization-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/152360/LimeSurvey-Deserialization-Remote-Code-Execution.html
- https://contao.org/en/news/security-vulnerability-cve-2018-17057.html
- http://seclists.org/fulldisclosure/2019/Mar/36
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-17057
- https://www.exploit-db.com/exploits/46634