CVE Feed

    Dashboard / CVE / CVE-2019-12387

    CVE-2019-12387

    In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.

    Published:Jun 10, 2019
    Last Modified:Nov 25, 2024
    EPS:Jun 10, 2019
    EPSS Score:0.00869
    CVSS Score:6.1

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Oracle
    Product
    Solaris
    Vendor
    Oracle
    Product
    Zfs Storage Appliance Kit
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Satellite
    Vendor
    Redhat
    Product
    Satellite Capsule
    Vendor
    Twisted
    Product
    Twisted

    Exploits

    https://labs.twistedmatrix.com/2019/06/twisted-1921-released.htmlhttps://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.htmlhttps://labs.twistedmatrix.com/2019/06/twisted-1921-released.htmlhttps://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-105 HTTP Request Splitting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-273 HTTP Response Smuggling
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-34 HTTP Response Splitting
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-51 Poison Web Service Registry
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-85 AJAX Footprinting
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
    https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
    https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/
    https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
    https://usn.ubuntu.com/4308-1/
    https://usn.ubuntu.com/4308-2/
    https://www.oracle.com/security-alerts/cpuapr2020.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
    https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
    https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/
    https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
    https://usn.ubuntu.com/4308-1/
    https://usn.ubuntu.com/4308-2/
    https://www.oracle.com/security-alerts/cpuapr2020.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High