BIT-PYTHON-MIN-2020-10735

A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using int"text", a system could take 50ms to parse an int string with 100,000 digits and 5s for 1,000,000 digits float, decimal, int.frombytes, and int for binary bases 2, 4, 8, 16, and 32 are no...

BIT-PYTHON-MIN-2020-14422

Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a dictionary containing IPv4Interface or IPv6Interface...

BIT-PYTHON-MIN-2020-15523

In Python 3.6 through 3.6.10, 3.7 through 3.7.8, 3.8 through 3.8.4, and 3.9 through 3.9.0 on Windows, a Trojan horse python3.dll might be used in cases where CPython is embedded in a native application. This occurs because python3X.dll may use an invalid search path for python3.dll loading after...

BIT-PYTHON-MIN-2020-15801

In Python 3.8.4, sys.path restrictions specified in a python38.pth file are ignored, allowing code to be loaded from arbitrary locations. The .pth file e.g., the python.pth file is not affected...

BIT-PYTHON-MIN-2020-26116

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request...

BIT-PYTHON-MIN-2020-27619

In Python 3 through 3.9.0, the Lib/test/multibytecodecsupport.py CJK codec tests call eval on content retrieved via HTTP...

BIT-PYTHON-MIN-2020-8315

In Python CPython 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1, an insecure dependency load upon launch on Windows 7 may result in an attacker's copy of api-ms-win-core-path-l1-1-0.dll being loaded and used instead of the system's copy. Windows 8 and later are unaffected...

BIT-PYTHON-MIN-2020-8492

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service ReDoS attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking...

BIT-PYTHON-MIN-2021-23336 Web Cache Poisoning

The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parseqsl and urllib.parse.parseqs by using a vector called parameter cloaking. When the attacker can...

BIT-PYTHON-MIN-2021-28861

Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection against multiple / at the beginning of URI path which may leads to information disclosure. NOTE: this is disputed by a third party because the http.server.html documentation page states...

BIT-PYTHON-MIN-2021-29921

In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This in some situations allows attackers to bypass access control that is based on IP addresses...

BIT-PYTHON-MIN-2021-3426

There's a flaw in Python 3's pydoc. A local or adjacent attacker who discovers or is able to convince another local or adjacent user to start a pydoc server could access the server and use it to disclose sensitive information belonging to the other user that they would not normally be able to...

BIT-PYTHON-MIN-2021-3733

There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client such as web browser connects to, could trigger a Regular Expression Denial of Service ReDOS during an authentication request with a specially crafted payload that is sen...

BIT-PYTHON-MIN-2021-3737

A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability...

BIT-PYTHON-MIN-2021-4189

A flaw was found in Python, specifically in the FTP File Transfer Protocol client library in PASV passive mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP clients into connecti...

BIT-PYTHON-MIN-2022-0391

A flaw was found in Python, specifically within the urllib.parse module. This module helps break Uniform Resource Locator URL strings into components. The issue involves how the urlparse method does not sanitize input and allows characters like '\r' and '\n' in the URL path. This flaw allows an...

BIT-PYTHON-MIN-2022-37454

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface...

BIT-PYTHON-MIN-2022-42919

Python 3.9.x before 3.9.16 and 3.10.x before 3.10.9 on Linux allows local privilege escalation in a non-default configuration. The Python multiprocessing library, when used with the forkserver start method on Linux, allows pickles to be deserialized from any user in the same machine local network...

BIT-PYTHON-MIN-2022-48560

A use-after-free exists in Python through 3.9 via heappushpop in heapq...

BIT-PYTHON-MIN-2022-48564

readints in plistlib.py in Python through 3.9.1 is vulnerable to a potential DoS attack via CPU and RAM exhaustion when processing malformed Apple Property List files in binary format...

BIT-PYTHON-MIN-2022-48565

An XML External Entity XXE issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities...

BIT-PYTHON-MIN-2022-48566

An issue was discovered in comparedigest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.comparedigest...

BIT-PYTHON-MIN-2023-24329

An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters...

BIT-PYTHON-MIN-2023-33595

CPython v3.12.0 alpha 7 was discovered to contain a heap use-after-free via the function asciidecode at /Objects/unicodeobject.c...

BIT-PYTHON-MIN-2023-36632

The legacy email.utils.parseaddr function in Python through 3.11.4 allows attackers to trigger "RecursionError: maximum recursion depth exceeded while calling a Python object" via a crafted argument. This argument is plausibly an untrusted value from an application's input data that was supposed ...

BIT-PYTHON-MIN-2023-40217

An issue was discovered in Python before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. It primarily affects servers such as HTTP servers that use TLS client authentication. If a TLS server-side socket is created, receives data into the socket buffer, and then is...

BIT-PYTHON-MIN-2024-50602

An issue was discovered in libexpat before 2.6.4. There is a crash within the XMLResumeParser function because XMLStopParser can stop/suspend an unstarted parser...

BIT-PHP-MIN-2020-7059 OOB read in php_strip_tags_ex

When using fgetss function to read data with stripping tags, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause this function to read past the allocated buffer. This may lead to information disclosure or crash...

BIT-PHP-MIN-2020-7060 global buffer-overflow in mbfl_filt_conv_big5_wchar

When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbflfiltconvbig5wchar to read past the allocated buffer. This may lead to information disclosur...

BIT-PHP-MIN-2020-7061 heap-buffer-overflow in phar_extract_file

In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash...

BIT-PHP-MIN-2020-7062 Null Pointer Dereference in PHP Session Upload Progress

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.uploadprogress.cleanup is set to 0 disabled, and the file upload fails, the upload procedure would try to clean up data that does...

BIT-PHP-MIN-2020-7063 Files added to tar with Phar::buildFromIterator have all-access permissions

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when creating PHAR archive using PharData::buildFromIterator function, the files are added with default permissions 0666, or all access even if the original files on the filesystem were with more restrictive permissions...

BIT-PHP-MIN-2020-7064 Use-of-uninitialized-value in exif

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exifreaddata function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash...

BIT-PHP-MIN-2020-7065 mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mbstrtolower function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution...

BIT-PHP-MIN-2020-7066 get_headers() silently truncates after a null byte

In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using getheaders with user-supplied URL, if the URL contains zero \0 character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the getheade...

BIT-PHP-MIN-2020-7067 OOB Read in urldecode()

In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support uncommon, urldecode function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes...

BIT-PHP-MIN-2020-7068 Use of freed hash key in the phar_parse_zipfile function

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, pharparsezipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure...

BIT-PHP-MIN-2020-7069 Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with opensslencrypt function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data...

BIT-PHP-MIN-2020-7070 PHP parses encoded cookie names so malicious `__Host-` cookies can be sent

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when PHP is processing incoming HTTP cookie values, the cookie names are url-decoded. This may lead to cookies with prefixes like Host confused with cookies that decode to such prefix, thus leading to an attacker being...

BIT-PHP-MIN-2020-7071 FILTER_VALIDATE_URL accepts URLs with invalid userinfo

In PHP versions 7.3.x below 7.3.26, 7.4.x below 7.4.14 and 8.0.0, when validating URL with functions like filtervar$url, FILTERVALIDATEURL, PHP will accept an URL with invalid password as valid URL. This may lead to functions that rely on URL being valid to mis-parse the URL and produce wrong dat...

BIT-PHP-MIN-2021-21702 Null Dereference in SoapClient

In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash...

BIT-PHP-MIN-2021-21703 PHP-FPM memory access in root process leading to privilege escalation

In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the...

BIT-PHP-MIN-2021-21704 Multiple vulnerabilities in Firebird client extension

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute, execute, fetch and others by returning invalid response data that is not...

BIT-PHP-MIN-2021-21705 Incorrect URL validation in FILTER_VALIDATE_URL

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filtervar function with FILTERVALIDATEURL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and...

BIT-PHP-MIN-2021-21706 ZipArchive::extractTo may extract outside of destination dir

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS...

BIT-PHP-MIN-2021-21707 Special characters break path parsing in XML functions

In PHP versions 7.3.x below 7.3.33, 7.4.x below 7.4.26 and 8.0.x below 8.0.13, certain XML parsing functions, like simplexmlloadfile, URL-decode the filename passed to them. If that filename contains URL-encoded NUL character, this may cause the function to interpret this as the end of the...

BIT-PHP-MIN-2021-21708 UAF due to php_filter_float() failing

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTERVALIDATEFLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in...

BIT-PHP-MIN-2022-31625 Freeing unallocated memory in php_pgsql_free_params()

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when using Postgres database extension, supplying invalid parameters to the parametrized query may lead to PHP attempting to free memory using uninitialized data as pointers. This could lead to RCE vulnerability or...

BIT-PHP-MIN-2022-31626 mysqlnd/pdo password buffer overflow

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdomysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can...

BIT-PHP-MIN-2022-31627 Heap buffer overflow in finfo_buffer

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfobuffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption...