Use After Free in Apache Xerces-C\+\+
CVE-2018-1311
The Apache Xerces-C 3.0.0 to 3.2.3 XML parser contains a use-after-free error triggered during the scanning of external DTDs. This flaw has not been addressed in the maintained version of the library and has no current mitigation other than to disable DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.095 (95.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.095 · newest: 0.095 · change: 0.000
Affected products
- Apache Xerces-C\+\+
- Apache Software Foundation Xerces-C — versions 3.0.0 to 3.2.2
- Oracle Goldengate
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 38, 39
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Eus — versions 7.7
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.7
- Red Hat Enterprise Linux Server Tus — versions 7.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/r48ea463fde218b1e4cc1a1d05770a0cea34de0600b4355315… (Vendor Advisory, mailing-list)
- access.redhat.com/errata/RHSA-2020:0704 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0702 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/12/msg00025.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4814 (vendor-advisory, Third Party Advisory)
- lists.apache.org/thread.html/rabbcc0249de1dda70cda96fd9bcff78217be7a57d96e7dcc8… (mailing-list, Issue Tracking)
- lists.apache.org/thread.html/rfeb8abe36bcca91eb603deef49fbbe46870918830a66328a7… (mailing-list, Issue Tracking)
- lists.apache.org/thread.html/r90ec105571622a7dc3a43b846c12732d2e563561dfb2f7294… (mailing-list, Issue Tracking)
- www.oracle.com/security-alerts/cpujan2022.html (Patch, Third Party Advisory)
- marc.info/ (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-1311?
- CVE-2018-1311 is a high-severity vulnerability in Apache Xerces-C\+\+, classified under Use After Free. CVSS score: 8.1/10. Published 2019-12-18.
- How severe is CVE-2018-1311?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2018-1311 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.