CVE-2001-1016
HighSummary
PGP Corporate Desktop before 7.1, Personal Security before 7.0.3, Freeware before 7.0.3, and E-Business Server before 7.1 does not properly display messages when invalid user IDs are used. This could allow an attacker to mislead the user into believing that a document has been signed by a trusted third party.
Risk Assessment
The organization may be exposed to fraud related to false signatures, which could lead to a loss of trust in the system and potential financial losses.
Recommendation
It is recommended to update to the latest version of PGP to mitigate the risk associated with this vulnerability and to conduct an audit of the keys in use.
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Original NVD description (English source)
PGP Corporate Desktop before 7.1, Personal Security before 7.0.3, Freeware before 7.0.3, and E-Business Server before 7.1 does not properly display when invalid userID's are used to sign a message, which could allow an attacker to make the user believe that the document has been signed by a trusted third party by adding a second, invalid user ID to a key which has already been signed by the third party, aka the "PGPsdk Key Validity Vulnerability."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

