Heap Buffer Overflow in libtiff Library Affects Multiple Versions
CVE-2022-0891
6.1MEDIUM
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2022-0891?
A vulnerability exists within the libtiff library that may allow attackers to exploit a heap buffer overflow through the 'ExtractImageSection' function in 'tiffcrop.c'. By crafting a malformed TIFF image file, an attacker can trigger unsafe or out-of-bounds memory access, which could lead to various consequences including application crashes and potential information leakage, depending on the context in which the vulnerability is exploited.
Affected Version(s)
libtiff >=3.9.0, <=4.3.0
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V3.1
Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved
Credit
shahchintanh@gmail.com