A local overflow exists in LibTIFF. LibTIFF fails to decode a specially crafted image resulting in a heap-based overflow during RLE decoding in tif_next.c and in tif_thunder.c. There may be heap-based overflows when doing RLE decoding in tif_luv.c. With a specially crafted image, an attacker can cause a buffer overflow resulting in a loss of integrity.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Public
Disclosure:
OSVDB Verified
Solution
Upgrade to version 3.7.0beta2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
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