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CVE-2018-19873
An issue was discovered in Qt before 5.11.3. QBmpHandler has a buffer overflow via BMP data.
AI summary snake-internal / snake-template-v1
A weakness called CVE-2018-19873 was discovered in An issue was discovered in Qt.
Severity is Info. Low severity or not yet rated.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "An issue was discovered in Qt CVE-2018-19873".
CVE-2018-19873 (An issue was discovered in Qt). Severity: Info.
Response plan:
1. Check the vendor advisory for affected versions and the patched release.
2. If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
3. If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
4. Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
❓ What is the problem
A weakness (CVE-2018-19873) in An issue was discovered in Qt. A serious software flaw has been identified.
📍 Affected scope
Target versions of An issue was discovered in Qt (see vendor advisory). If running in production, identify exposure immediately.
🔥 Severity
Severity: Info. Low severity or not yet rated.
🔧 How to fix
Update to the patched release as listed in the vendor advisory.
🛡️ Workaround
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
🔍 Detection
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
References
- advisory http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00066.html
- advisory https://access.redhat.com/errata/RHSA-2019:2135
- advisory https://access.redhat.com/errata/RHSA-2019:3390
- advisory https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
- advisory https://lists.debian.org/debian-lts-announce/2019/01/msg00004.html
- advisory https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html
- advisory https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html
- advisory https://usn.ubuntu.com/4003-1/
- advisory https://www.debian.org/security/2019/dsa-4374
- patch https://codereview.qt-project.org/#/c/238749/
- web http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html
- web http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html
- web http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00073.html
- web http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00090.html