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More Than 22,000 Vulns Were Disclosed in 2018, 27% Without Fixes
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ChadF3
50%
50%
ChadF3,
User Rank: Apprentice
3/4/2019 | 5:34:35 PM
Not about validation
Issues like SQL/script injection and XSS are not really a problem with input validation, but a lack of proper quoting/escaping of arbatrary data during its use. Yes, input validation can limit/mitigate some attacks, but this also tightly couples the input code and processing code (e.g. the input side assumes SQL queries are used at some point, and the query side code assumes input validation have done for all potential sources).

In general, providing an input with an apostrophe should be considered valid, even if the backend uses this value in an SQL query (as the real data being search may have such values, e.g. Name: O'Neill). If I include the text "<grin>" with-in some online forum post/comment, it shouldn't be rejected/removed for no-HTML input fields, but be treated as verbatuim text that is properly escaped in output HTML.

Input validation should normally only be done for specific business logic (e.g. usernames are limited to ASCII letters/numbers and must start with a letter), or general sanity checks (e.g. only ASCII; only valid UTF-8 encoded strings; doesn't contain invalid UNICODE composed sequences; no embedded NUL characters [when using length specified strings]).
Joe Stanganelli
50%
50%
Joe Stanganelli,
User Rank: Ninja
2/28/2019 | 6:31:14 PM
No fixes
Moreover, researchers are often incentivized against responsible disclosure simply because the companies won't even listen to them and give them the time of day -- unless it gets national media attention. (Examples: Panera, Apple FaceTime bug, Facebook, etc.)


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CVE-2020-9351
PUBLISHED: 2020-02-23
An issue was discovered in SmartClient 12.0. If an unauthenticated attacker makes a POST request to /tools/developerConsoleOperations.jsp or /isomorphic/IDACall with malformed XML data in the _transaction parameter, the server replies with a verbose error showing where the application resides (the a...
CVE-2020-9352
PUBLISHED: 2020-02-23
An issue was discovered in SmartClient 12.0. Unauthenticated exploitation of blind XXE can occur in the downloadWSDL feature by sending a POST request to /tools/developerConsoleOperations.jsp with a valid payload in the _transaction parameter.
CVE-2020-9353
PUBLISHED: 2020-02-23
An issue was discovered in SmartClient 12.0. The Remote Procedure Call (RPC) loadFile provided by the console functionality on the /tools/developerConsoleOperations.jsp (or /isomorphic/IDACall) URL is affected by unauthenticated Local File Inclusion via directory-traversal sequences in the elem XML ...
CVE-2020-9354
PUBLISHED: 2020-02-23
An issue was discovered in SmartClient 12.0. The Remote Procedure Call (RPC) saveFile provided by the console functionality on the /tools/developerConsoleOperations.jsp (or /isomorphic/IDACall) URL allows an unauthenticated attacker to overwrite files via vectors involving an XML comment and /.. pat...
CVE-2020-9355
PUBLISHED: 2020-02-23
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.