XXE in Oracle Peoplesoft_enterprise_pt_peopletools
CVE-2017-18640
The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564.
EPSS: 0.267 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Oracle Peoplesoft_enterprise_pt_peopletools — versions 8.56, 8.57, 8.58
- Quarkus
- Snakeyaml_project Snakeyaml
- Fedoraproject Fedora — versions 31, 32
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2017-18640?
- CVE-2017-18640 is a high-severity vulnerability in Oracle Peoplesoft_enterprise_pt_peopletools, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 7.5/10. Published 2019-12-12.
- How severe is CVE-2017-18640?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-18640 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.