CVE-2025-62168

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{"affected": [{"affectedData": [{"product": "squid", "vendor": "squid-cache", "versions": [{"status": "affected", "version": "< 7.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", "matchCriteriaId": "77C03B70-0C3B-44B0-B44E-AC3C736A6D69", "versionEndExcluding": "7.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication credentials in error handling allows information disclosure. The vulnerability allows a script to bypass browser security protections and learn the credentials a trusted client uses to authenticate. This potentially allows a remote client to identify security tokens or credentials used internally by a web application using Squid for backend load balancing. These attacks do not require Squid to be configured with HTTP authentication. The vulnerability is fixed in version 7.2. As a workaround, disable debug information in administrator mailto links generated by Squid by configuring squid.conf with email_err_data off."}, {"lang": "es", "value": "Squid es un proxy de almacenamiento en cach\u00e9 para la Web. En versiones de Squid anteriores a la 7.2, un fallo al redactar las credenciales de autenticaci\u00f3n HTTP en el manejo de errores permite la revelaci\u00f3n de informaci\u00f3n. La vulnerabilidad permite que un script omita las protecciones de seguridad del navegador y aprenda las credenciales que un cliente de confianza utiliza para autenticarse. Esto potencialmente permite a un cliente remoto identificar tokens de seguridad o credenciales utilizados internamente por una aplicaci\u00f3n web que utiliza Squid para el equilibrio de carga de backend. Estos ataques no requieren que Squid est\u00e9 configurado con autenticaci\u00f3n HTTP. La vulnerabilidad est\u00e1 corregida en la versi\u00f3n 7.2. Como soluci\u00f3n alternativa, deshabilite la informaci\u00f3n de depuraci\u00f3n en los enlaces mailto del administrador generados por Squid configurando squid.conf con email_err_data off."}], "id": "CVE-2025-62168", "lastModified": "2026-10-19T16:10:00.260", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-62168", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-18T03:55:46.500076Z", "version": "2.0.3"}}]}, "published": "2025-10-17T17:15:49.037", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/squid-cache/squid/commit/0951a0681011dfca3d78c84fd7f1e19c78a4443f"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-c8cc-phh7-xmxr"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/11/05/6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-209"}, {"lang": "en", "value": "CWE-550"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "squid-cache: Squid vulnerable to information disclosure via authentication credential leakage in error handling", "id": "2404736", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2404736"}, "csaw": false, "cvss3": {"cvss3_base_score": "10.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-209", "details": ["A Information Disclosure vulnerability has been identified in the Squid web caching proxy, affecting versions prior to 7.2. This flaw occurs when the application fails to properly redact sensitive Hypertext Transfer Protocol (HTTP) authentication credentials from an error response. A remote client can exploit this by triggering an error condition, which allows a malicious script to bypass browser security and disclose the username and password a trusted client uses for access. This directly compromises the security of internal application credentials and security tokens, especially when Squid is configured for backend load balancing."], "mitigation": {"lang": "en:us", "value": "This vulnerability can be mitigated by disabling debug information in administration mailto links generated by Squid package. This can be accomplished in Red Hat Enterprise Linux by the following steps:\n1) With administrative privileges, edit the squid configuration file located at `/etc/squid/squid.conf`\n2) Add or change the following configuration entry to match the option bellow:\n`email_err_data off`\n3) Save the configuration file and restart the squid application"}, "name": "CVE-2025-62168", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "squid34", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "squid:4/squid", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-17T16:21:30Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-62168\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-62168\nhttps://github.com/squid-cache/squid/commit/0951a0681011dfca3d78c84fd7f1e19c78a4443f\nhttps://github.com/squid-cache/squid/security/advisories/GHSA-c8cc-phh7-xmxr"], "threat_severity": "Critical"}

{"created": "2025-10-20T13:21:59.710714+00:00", "updated": "2025-10-20T13:21:59.710739+00:00", "vendors": ["squid-cache", "squid-cache$PRODUCT$squid"]}