XPath Injection in Reportlab
CVE-2019-19450
paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates untrusted user input in a unichar element in a crafted XML document with '<unichar code="' followed by arbitrary Python code, a similar issue to CVE-2019-17626.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.060 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.060 · change: +0.015
Affected products
- Reportlab
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/MrBitBucket/reportlab-mirror/blob/master/CHANGES.md (Release Notes)
- pastebin.com/5MicRrr4 (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/09/msg00037.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2019-19450?
- CVE-2019-19450 is a critical-severity vulnerability in Reportlab, classified under XML Injection (Blind XPath Injection). CVSS score: 9.8/10. Published 2023-09-20.
- How severe is CVE-2019-19450?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-19450 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.