Description Preview
ZNC 1.0 is affected by a vulnerability that enables remote authenticated users to trigger a denial of service condition by sending specially crafted requests to specific pages within the webadmin module (webadmin.cpp). This vulnerability results in a NULL pointer reference and subsequent crash of the application.
Overview
This vulnerability in ZNC 1.0 allows authenticated remote users to exploit the application by sending malicious requests to the editnetwork, editchan, addchan, or delchan pages in the webadmin module. By triggering a NULL pointer reference, attackers can cause the application to crash, leading to a denial of service condition.
Remediation
To address this vulnerability, users are advised to update their ZNC installation to a patched version that resolves the NULL pointer dereference issue. It is recommended to upgrade to a version of ZNC that includes the necessary security fixes to prevent remote attackers from exploiting this flaw.
References
- Mageia Advisory: http://advisories.mageia.org/MGASA-2013-0257.html
- oss-security Mailing List: http://www.openwall.com/lists/oss-security/2013/05/30/3
- Secunia Advisory: http://secunia.com/advisories/53450
- Fedora Advisory FEDORA-2013-14123: http://lists.fedoraproject.org/pipermail/package-announce/2013-August/114172.html
- Mandriva Advisory MDVSA-2015:013: http://www.mandriva.com/security/advisories?name=MDVSA-2015:013
- Fedora Advisory FEDORA-2013-14132: http://lists.fedoraproject.org/pipermail/package-announce/2013-August/114144.html
- GitHub Commit: https://github.com/znc/znc/commit/2bd410ee5570cea127233f1133ea22f25174eb28
Industry ExposureMost to leastThis section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
- Accommodation & Food ServicesAccommodation & Food Services
- Administrative, Support, Waste Management & Remediation ServicesAdministrative, Support, Waste Management & Remediation Services
- Agriculture, Forestry Fishing & HuntingAgriculture, Forestry Fishing & Hunting
- Arts, Entertainment & RecreationArts, Entertainment & Recreation
- ConstructionConstruction
- Educational ServicesEducational Services
- Finance and InsuranceFinance and Insurance
- Health Care & Social AssistanceHealth Care & Social Assistance
- InformationInformation
- Management of Companies & EnterprisesManagement of Companies & Enterprises
- ManufacturingManufacturing
- MiningMining
- Other Services (except Public Administration)Other Services (except Public Administration)
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- Public AdministrationPublic Administration
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Retail TradeRetail Trade
- Transportation & WarehousingTransportation & Warehousing
- UtilitiesUtilities
- Wholesale TradeWholesale Trade