Affected: Homebrew: theharvester
### Impact _What kind of vulnerability is it? Who is impacted?_
Anyone parsing JSON from an untrusted source is vulnerable.
JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting strings, this allowed for potential key confusion and value overwriting in dictionaries.
Examples:
```python # An unpaired high surrogate character is ignored. >>> ujson.loads(r'"\uD800"') '' >>> ujson.loads(r'"\uD800hello"') 'hello'
# An unpaired low surrogate character is preserved. >>> ujson.loads(r'"\uDC00"') '\udc00'
# A pair of surrogates with additional non surrogate characters pair up in spite of being invalid. >>> ujson.loads(r'"\uD800foo bar\uDC00"') 'foo bar𐀀' ```
### Patches _Has the problem been patched? What versions should users upgrade to?_
Users should upgrade to UltraJSON 5.4.0.
From version 5.4.0, UltraJSON decodes lone surrogates in the same way as the standard library's `json` module does, preserving them in the parsed output:
```python3 >>> ujson.loads(r'"\uD800"') '\ud800' >>> ujson.loads(r'"\uD800hello"') '\ud800hello' >>> ujson.loads(r'"\uDC00"') '\udc00' >>> ujson.loads(r'"\uD800foo bar\uDC00"') '\ud800foo bar\udc00' ```
### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_
Short of switching to an entirely different JSON library, there are no safe alternatives to upgrading.
### For more information If you have any questions or comments…
UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Affected versions were found to improperly decode certain characters. JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting strings, this allowed for potential key confusion and value overwriting in dictionaries. All users parsing JSON from untrusted sources are vulnerable. From version 5.4.0, UltraJSON decodes lone surrogates in the same way as the standard library's `json` module does, preserving them in the parsed output. Users are advised to upgrade. There are no known workarounds for this issue.
Affected: PyPI: ujson
### Impact _What kind of vulnerability is it? Who is impacted?_
Anyone parsing JSON from an untrusted source is vulnerable.
JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting strings, this allowed for potential key confusion and value overwriting in dictionaries.
Examples:
```python # An unpaired high surrogate character is ignored. >>> ujson.loads(r'"\uD800"') '' >>> ujson.loads(r'"\uD800hello"') 'hello'
# An unpaired low surrogate character is preserved. >>> ujson.loads(r'"\uDC00"') '\udc00'
# A pair of surrogates with additional non surrogate characters pair up in spite of being invalid. >>> ujson.loads(r'"\uD800foo bar\uDC00"') 'foo bar𐀀' ```
### Patches _Has the problem been patched? What versions should users upgrade to?_
Users should upgrade to UltraJSON 5.4.0.
From version 5.4.0, UltraJSON decodes lone surrogates in the same way as the standard library's `json` module does, preserving them in the parsed output:
```python3 >>> ujson.loads(r'"\uD800"') '\ud800' >>> ujson.loads(r'"\uD800hello"') '\ud800hello' >>> ujson.loads(r'"\uDC00"') '\udc00' >>> ujson.loads(r'"\uD800foo bar\uDC00"') '\ud800foo bar\udc00' ```
### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_
Short of switching to an entirely different JSON library, there are no safe alternatives to upgrading.
### For more information If you have any questions or comments…
Affected: openEuler:20.03-LTS-SP4: python-ujson
UltraJSON Security Fix(es):
UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.(CVE-2021-45958)
UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Affected versions were found to improperly decode certain characters. JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting strings, this allowed for potential key confusion and value overwriting in dictionaries. All users parsing JSON from untrusted sources are vulnerable. From version 5.4.0, UltraJSON decodes lone surrogates in the same way as the standard library's `json` module does, preserving them in the parsed output. Users are advised to upgrade. There are no known workarounds for this issue.(CVE-2022-31116)
UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is impossible to trigger from Python. This issue has been resolved in version 5.4.0 and all users should upgrade to UltraJSON 5.4.0. There are no known workarounds for this issue.(CVE-2022-31117)
UltraJSON is a fast JSON encoder and decoder written in pure C wi…
python310-ujson-5.4.0-1.1 on GA media
Affected: PyPI: ujson
### Impact _What kind of vulnerability is it? Who is impacted?_
Anyone parsing JSON from an untrusted source is vulnerable.
JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting strings, this allowed for potential key confusion and value overwriting in dictionaries.
Examples:
```python # An unpaired high surrogate character is ignored. >>> ujson.loads(r'"\uD800"') '' >>> ujson.loads(r'"\uD800hello"') 'hello'
# An unpaired low surrogate character is preserved. >>> ujson.loads(r'"\uDC00"') '\udc00'
# A pair of surrogates with additional non surrogate characters pair up in spite of being invalid. >>> ujson.loads(r'"\uD800foo bar\uDC00"') 'foo bar𐀀' ```
### Patches _Has the problem been patched? What versions should users upgrade to?_
Users should upgrade to UltraJSON 5.4.0.
From version 5.4.0, UltraJSON decodes lone surrogates in the same way as the standard library's `json` module does, preserving them in the parsed output:
```python3 >>> ujson.loads(r'"\uD800"') '\ud800' >>> ujson.loads(r'"\uD800hello"') '\ud800hello' >>> ujson.loads(r'"\uDC00"') '\udc00' >>> ujson.loads(r'"\uD800foo bar\uDC00"') '\ud800foo bar\udc00' ```
### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_
Short of switching to an entirely different JSON library, there are no safe alternatives to upgrading.
### For more information If you have any questions or comments…
python-ujson: improper decoding of escaped surrogate characters may lead to string corruption, key confusion or value overwriting python-ujson: Potential double free of buffer during string decoding
Affected: Ubuntu:14.04:LTS: pandas, Ubuntu:Pro:16.04:LTS: ujson, Ubuntu:16.04:LTS: collada2gltf, Ubuntu:16.04:LTS: pandas, Ubuntu:18.04:LTS: collada2gltf, Ubuntu:18.04:LTS: pandas, Ubuntu:Pro:18.04:LTS: ujson, Ubuntu:20.04:LTS: pandas, Ubuntu:22.04:LTS: collada2gltf, Ubuntu:22.04:LTS: pandas and 4 more
UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Affected versions were found to improperly decode certain characters. JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting strings, this allowed for potential key confusion and value overwriting in dictionaries. All users parsing JSON from untrusted sources are vulnerable. From version 5.4.0, UltraJSON decodes lone surrogates in the same way as the standard library's `json` module does, preserving them in the parsed output. Users are advised to upgrade. There are no known workarounds for this issue.
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