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    CVE-2005-3750

    Opera before 8.51 on Linux and Unix systems allows remote attackers to execute arbitrary code via shell metacharacters (backticks) in a URL that another product provides in a command line argument when launching Opera.

    Published:Nov 22, 2005
    Last Modified:Apr 16, 2026
    EPS:Nov 22, 2005
    EPSS Score:0.07619
    CVSS Score:7.5

    Affected Products

    Vendor
    Opera
    Product
    Opera Browser

    Exploits

    No exploit reference

    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-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-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2018-18913 (CVSS 7.8) — Opera before 57.0.3098.106 is vulnerable to a DLL Search Order hijacking attack where an attacker can send a Z…
    CVE-2018-6608 (CVSS 4.3) — In the WebRTC component in Opera 51.0.2830.55, after visiting a web site that attempts to gather complete clie…
    CVE-2016-4075 (CVSS 6.1) — Opera Mini 13 and Opera Stable 36 allow remote attackers to spoof the displayed URL via a crafted HTML documen…
    CVE-2016-6908 (CVSS 6.1) — Characters from languages are such as Arabic, Hebrew are displayed from RTL (Right To Left) order in Opera 37.…
    CVE-2015-8960 (CVSS 8.1) — The TLS protocol 1.2 and earlier supports the rsa_fixed_dh, dss_fixed_dh, rsa_fixed_ecdh, and ecdsa_fixed_ecdh…
    CVE-2016-7153 (CVSS 5.3) — The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about con…
    CVE-2015-4000 (CVSS 3.7) — The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, do…
    CVE-2014-1870 (CVSS 4.3) — Opera before 19 on Mac OS X allows user-assisted remote attackers to spoof the address bar via vectors involvi…
    CVE-2014-0815 (CVSS 4.3) — The intent: URL implementation in Opera before 18 on Android allows attackers to read local files by leveragin…
    CVE-2013-4705 (CVSS 4.3) — Cross-site scripting (XSS) vulnerability in Opera before 15.00 allows remote attackers to inject arbitrary web…

    References

    http://archives.neohapsis.com/archives/fulldisclosure/2005-11/0677.html
    http://secunia.com/advisories/16907
    http://secunia.com/advisories/18111
    http://secunia.com/secunia_research/2005-57/advisory/
    http://securityreason.com/securityalert/199
    http://securitytracker.com/id?1015253
    http://www.gentoo.org/security/en/glsa/glsa-200512-10.xml
    http://www.novell.com/linux/security/advisories/2005_28_sr.html
    http://www.opera.com/docs/changelogs/linux/851/
    http://www.osvdb.org/21003
    http://www.securityfocus.com/archive/1/417393/30/0/threaded
    http://www.securityfocus.com/bid/15521
    http://www.vupen.com/english/advisories/2005/2519
    http://archives.neohapsis.com/archives/fulldisclosure/2005-11/0677.html
    http://secunia.com/advisories/16907
    http://secunia.com/advisories/18111
    http://secunia.com/secunia_research/2005-57/advisory/
    http://securityreason.com/securityalert/199
    http://securitytracker.com/id?1015253
    http://www.gentoo.org/security/en/glsa/glsa-200512-10.xml
    http://www.novell.com/linux/security/advisories/2005_28_sr.html
    http://www.opera.com/docs/changelogs/linux/851/
    http://www.osvdb.org/21003
    http://www.securityfocus.com/archive/1/417393/30/0/threaded
    http://www.securityfocus.com/bid/15521
    http://www.vupen.com/english/advisories/2005/2519

    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