Heap-based buffer overflow in the ask_outfile_name function in openfile.c for GnuPG (gpg) 1.4 and 2.0, when running interactively, might allow attackers to execute arbitrary code via messages with C-escape expansions, which cause the make_printable_string function to return a longer string than expected while constructing a prompt.
NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.
|Base Score:||6.8||Base Metrics:||AV:N/AC:M/Au:N/C:P/I:P/A:P|
|Access Vector:||Network||Attack Complexity:||Medium|
|Authentication:||None required||Confidentiality Impact:||Partial|
|Integrity Impact:||Partial||Availability Impact:||Partial|
|Oracle Enterprise Linux version 4 (gnupg)||ELSA-2006-0754||2006-12-11|
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