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PGP 5.x/6.x/7.0 - ASCII Armor Parser Arbitrary File Creation

🗓️ 09 Apr 2001 00:00:00Reported by Chris AnleyType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 31 Views

Arbitrary file creation due to flaw in PGP ASCII Armor decoder affecting users during verification.

Code
source: https://www.securityfocus.com/bid/2556/info

ASCII Armor is a text based encoding format used by PGP (Pretty Good Privacy). While it is possible to encode any file using ASCII Armor, it is used by PGP to encode signature files and public keys to facilitate transmission in e-mail messages.

When a user opens a document for verification in PGP, its corresponding .sig file must be decoded from ASCII Armor.

Due to a flaw in the implementation of the decoder, an arbitrary file can be created on a users system. The file created would be of the attackers choice. 

https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/20738.doc.sig

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09 Apr 2001 00:00Current
7.4High risk
Vulners AI Score7.4
31