The Net::HTTPS module in libwww-perl (LWP) before 6.00, as used in WWW::Mechanize, LWP::UserAgent, and other products, when running in environments that do not set the If-SSL-Cert-Subject header, does not enable full validation of SSL certificates by default, which allows remote attackers to spoof servers via man-in-the-middle (MITM) attacks involving hostnames that are not properly validated. NOTE: it could be argued that this is a design limitation of the Net::HTTPS API, and separate implementations should be independently assigned CVE identifiers for not working around this limitation. However, because this API was modified within LWP, a single CVE identifier has been assigned.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Libwww-perl | Gisle_aas | 0.01 (including) | 0.01 (including) |
Libwww-perl | Gisle_aas | 0.02 (including) | 0.02 (including) |
Libwww-perl | Gisle_aas | 0.03 (including) | 0.03 (including) |
Libwww-perl | Gisle_aas | 0.04 (including) | 0.04 (including) |
Libwww-perl | Gisle_aas | 5.00 (including) | 5.00 (including) |
Libwww-perl | Gisle_aas | 5.01 (including) | 5.01 (including) |
Libwww-perl | Gisle_aas | 5.02 (including) | 5.02 (including) |
Libwww-perl | Gisle_aas | 5.03 (including) | 5.03 (including) |
Libwww-perl | Gisle_aas | 5.04 (including) | 5.04 (including) |
Libwww-perl | Gisle_aas | 5.05 (including) | 5.05 (including) |
Libwww-perl | Gisle_aas | 5.06 (including) | 5.06 (including) |
Libwww-perl | Gisle_aas | 5.07 (including) | 5.07 (including) |
Libwww-perl | Gisle_aas | 5.08 (including) | 5.08 (including) |
Libwww-perl | Gisle_aas | 5.09 (including) | 5.09 (including) |
Libwww-perl | Gisle_aas | 5.10 (including) | 5.10 (including) |
Libwww-perl | Gisle_aas | 5.11 (including) | 5.11 (including) |
Libwww-perl | Gisle_aas | 5.12 (including) | 5.12 (including) |
Libwww-perl | Gisle_aas | 5.13 (including) | 5.13 (including) |
Libwww-perl | Gisle_aas | 5.14 (including) | 5.14 (including) |
Libwww-perl | Gisle_aas | 5.15 (including) | 5.15 (including) |
Libwww-perl | Gisle_aas | 5.16 (including) | 5.16 (including) |
Libwww-perl | Gisle_aas | 5.17 (including) | 5.17 (including) |
Libwww-perl | Gisle_aas | 5.18 (including) | 5.18 (including) |
Libwww-perl | Gisle_aas | 5.18_03 (including) | 5.18_03 (including) |
Libwww-perl | Gisle_aas | 5.18_04 (including) | 5.18_04 (including) |
Libwww-perl | Gisle_aas | 5.18_05 (including) | 5.18_05 (including) |
Libwww-perl | Gisle_aas | 5.19 (including) | 5.19 (including) |
Libwww-perl | Gisle_aas | 5.20 (including) | 5.20 (including) |
Libwww-perl | Gisle_aas | 5.21 (including) | 5.21 (including) |
Libwww-perl | Gisle_aas | 5.22 (including) | 5.22 (including) |
Libwww-perl | Gisle_aas | 5.30 (including) | 5.30 (including) |
Libwww-perl | Gisle_aas | 5.31 (including) | 5.31 (including) |
Libwww-perl | Gisle_aas | 5.32 (including) | 5.32 (including) |
Libwww-perl | Gisle_aas | 5.33 (including) | 5.33 (including) |
Libwww-perl | Gisle_aas | 5.34 (including) | 5.34 (including) |
Libwww-perl | Gisle_aas | 5.35 (including) | 5.35 (including) |
Libwww-perl | Gisle_aas | 5.36 (including) | 5.36 (including) |
Libwww-perl | Gisle_aas | 5.41 (including) | 5.41 (including) |
Libwww-perl | Gisle_aas | 5.42 (including) | 5.42 (including) |
Libwww-perl | Gisle_aas | 5.43 (including) | 5.43 (including) |
Libwww-perl | Gisle_aas | 5.44 (including) | 5.44 (including) |
Libwww-perl | Gisle_aas | 5.45 (including) | 5.45 (including) |
Libwww-perl | Gisle_aas | 5.46 (including) | 5.46 (including) |
Libwww-perl | Gisle_aas | 5.47 (including) | 5.47 (including) |
Libwww-perl | Gisle_aas | 5.48 (including) | 5.48 (including) |
Libwww-perl | Gisle_aas | 5.49 (including) | 5.49 (including) |
Libwww-perl | Gisle_aas | 5.50 (including) | 5.50 (including) |
Libwww-perl | Gisle_aas | 5.51 (including) | 5.51 (including) |
Libwww-perl | Gisle_aas | 5.52 (including) | 5.52 (including) |
Libwww-perl | Gisle_aas | 5.53 (including) | 5.53 (including) |
Libwww-perl | Gisle_aas | 5.53_90 (including) | 5.53_90 (including) |
Libwww-perl | Gisle_aas | 5.53_91 (including) | 5.53_91 (including) |
Libwww-perl | Gisle_aas | 5.53_92 (including) | 5.53_92 (including) |
Libwww-perl | Gisle_aas | 5.53_93 (including) | 5.53_93 (including) |
Libwww-perl | Gisle_aas | 5.53_94 (including) | 5.53_94 (including) |
Libwww-perl | Gisle_aas | 5.53_95 (including) | 5.53_95 (including) |
Libwww-perl | Gisle_aas | 5.53_96 (including) | 5.53_96 (including) |
Libwww-perl | Gisle_aas | 5.53_97 (including) | 5.53_97 (including) |
Libwww-perl | Gisle_aas | 5.60 (including) | 5.60 (including) |
Libwww-perl | Gisle_aas | 5.61 (including) | 5.61 (including) |
Libwww-perl | Gisle_aas | 5.62 (including) | 5.62 (including) |
Libwww-perl | Gisle_aas | 5.63 (including) | 5.63 (including) |
Libwww-perl | Gisle_aas | 5.64 (including) | 5.64 (including) |
Libwww-perl | Gisle_aas | 5.65 (including) | 5.65 (including) |
Libwww-perl | Gisle_aas | 5.66 (including) | 5.66 (including) |
Libwww-perl | Gisle_aas | 5.67 (including) | 5.67 (including) |
Libwww-perl | Gisle_aas | 5.68 (including) | 5.68 (including) |
Libwww-perl | Gisle_aas | 5.69 (including) | 5.69 (including) |
Libwww-perl | Gisle_aas | 5.70 (including) | 5.70 (including) |
Libwww-perl | Gisle_aas | 5.71 (including) | 5.71 (including) |
Libwww-perl | Gisle_aas | 5.72 (including) | 5.72 (including) |
Libwww-perl | Gisle_aas | 5.73 (including) | 5.73 (including) |
Libwww-perl | Gisle_aas | 5.74 (including) | 5.74 (including) |
Libwww-perl | Gisle_aas | 5.75 (including) | 5.75 (including) |
Libwww-perl | Gisle_aas | 5.76 (including) | 5.76 (including) |
Libwww-perl | Gisle_aas | 5.77 (including) | 5.77 (including) |
Libwww-perl | Gisle_aas | 5.78 (including) | 5.78 (including) |
Libwww-perl | Gisle_aas | 5.79 (including) | 5.79 (including) |
Libwww-perl | Gisle_aas | 5.800 (including) | 5.800 (including) |
Libwww-perl | Gisle_aas | 5.801 (including) | 5.801 (including) |
Libwww-perl | Gisle_aas | 5.802 (including) | 5.802 (including) |
Libwww-perl | Gisle_aas | 5.803 (including) | 5.803 (including) |
Libwww-perl | Gisle_aas | 5.804 (including) | 5.804 (including) |
Libwww-perl | Gisle_aas | 5.805 (including) | 5.805 (including) |
Libwww-perl | Gisle_aas | 5.806 (including) | 5.806 (including) |
Libwww-perl | Gisle_aas | 5.807 (including) | 5.807 (including) |
Libwww-perl | Gisle_aas | 5.808 (including) | 5.808 (including) |
Libwww-perl | Gisle_aas | 5.810 (including) | 5.810 (including) |
Libwww-perl | Gisle_aas | 5.811 (including) | 5.811 (including) |
Libwww-perl | Gisle_aas | 5.812 (including) | 5.812 (including) |
Libwww-perl | Gisle_aas | 5.813 (including) | 5.813 (including) |
Libwww-perl | Gisle_aas | 5.814 (including) | 5.814 (including) |
Libwww-perl | Gisle_aas | 5.815 (including) | 5.815 (including) |
Libwww-perl | Gisle_aas | 5.816 (including) | 5.816 (including) |
Libwww-perl | Gisle_aas | 5.817 (including) | 5.817 (including) |
Libwww-perl | Gisle_aas | 5.818 (including) | 5.818 (including) |
Libwww-perl | Gisle_aas | 5.819 (including) | 5.819 (including) |
Libwww-perl | Gisle_aas | 5.820 (including) | 5.820 (including) |
Libwww-perl | Gisle_aas | 5.821 (including) | 5.821 (including) |
Libwww-perl | Gisle_aas | 5.822 (including) | 5.822 (including) |
Libwww-perl | Gisle_aas | 5.823 (including) | 5.823 (including) |
Libwww-perl | Gisle_aas | 5.824 (including) | 5.824 (including) |
Libwww-perl | Gisle_aas | 5.825 (including) | 5.825 (including) |
Libwww-perl | Gisle_aas | 5.826 (including) | 5.826 (including) |
Libwww-perl | Gisle_aas | 5.827 (including) | 5.827 (including) |
Libwww-perl | Gisle_aas | 5.828 (including) | 5.828 (including) |
Libwww-perl | Gisle_aas | 5.829 (including) | 5.829 (including) |
Libwww-perl | Gisle_aas | 5.830 (including) | 5.830 (including) |
Libwww-perl | Gisle_aas | 5.831 (including) | 5.831 (including) |
Libwww-perl | Gisle_aas | 5.832 (including) | 5.832 (including) |
Libwww-perl | Gisle_aas | 5.833 (including) | 5.833 (including) |
Libwww-perl | Gisle_aas | 5.834 (including) | 5.834 (including) |
Libwww-perl | Gisle_aas | 5.836 (including) | 5.836 (including) |
Libwww-perl | Gisle_aas | 5b5 (including) | 5b5 (including) |
Libwww-perl | Gisle_aas | 5b6 (including) | 5b6 (including) |
Libwww-perl | Gisle_aas | 5b7 (including) | 5b7 (including) |
Libwww-perl | Gisle_aas | 5b8 (including) | 5b8 (including) |
Libwww-perl | Gisle_aas | 5b9 (including) | 5b9 (including) |
Libwww-perl | Gisle_aas | 5b10 (including) | 5b10 (including) |
Libwww-perl | Gisle_aas | 5b11 (including) | 5b11 (including) |
Libwww-perl | Gisle_aas | 5b12 (including) | 5b12 (including) |
Libwww-perl | Gisle_aas | 5b13 (including) | 5b13 (including) |
Libwww-perl | Search.cpan | * | 5.837 (including) |
Libwww-perl | Search.cpan | 5.40_01 (including) | 5.40_01 (including) |
Libwww-perl | Ubuntu | dapper | * |
Libwww-perl | Ubuntu | hardy | * |
Libwww-perl | Ubuntu | lucid | * |
Libwww-perl | Ubuntu | maverick | * |
Libwww-perl | Ubuntu | natty | * |
Libwww-perl | Ubuntu | upstream | * |
Input validation is a frequently-used technique for checking potentially dangerous inputs in order to ensure that the inputs are safe for processing within the code, or when communicating with other components. Input can consist of:
Data can be simple or structured. Structured data can be composed of many nested layers, composed of combinations of metadata and raw data, with other simple or structured data. Many properties of raw data or metadata may need to be validated upon entry into the code, such as:
Implied or derived properties of data must often be calculated or inferred by the code itself. Errors in deriving properties may be considered a contributing factor to improper input validation.