From c3a7a88a0cad4c9833e339716476a2320d3f8f56 Mon Sep 17 00:00:00 2001 From: Emilio Pinna Date: Tue, 15 Sep 2020 21:27:07 +0100 Subject: [PATCH] Rephrase function descriptions This should hopefully clear some misconceptions and close #136. --- _data/functions.yml | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/_data/functions.yml b/_data/functions.yml index e5561ec..75e48d8 100644 --- a/_data/functions.yml +++ b/_data/functions.yml @@ -48,21 +48,21 @@ library-load: suid: label: SUID description: | - It runs with the SUID bit set and may be exploited to access the file system, escalate or maintain access with elevated privileges working as a SUID backdoor. If it is used to run `sh -p`, omit the `-p` argument on systems like Debian (<= Stretch) that allow the default `sh` shell to run with SUID privileges. + If the binary has the SUID bit set, it does not drop the elevated privileges and may be exploited to access the file system, escalate or maintain privileged access as a SUID backdoor. If it is used to run `sh -p`, omit the `-p` argument on systems like Debian (<= Stretch) that allow the default `sh` shell to run with SUID privileges. This example creates a local SUID copy of the binary and runs it to maintain elevated privileges. To exploit an existing SUID binary skip the first command and run the program using its original path. sudo: label: Sudo - description: It runs in privileged context and may be used to access the file system, escalate or maintain access with elevated privileges if enabled on `sudo`. + description: If the binary is allowed to run as superuser by `sudo`, it does not drop the elevated privileges and may be used to access the file system, escalate or maintain privileged access. capabilities: label: Capabilities - description: It can manipulate its process UID and can be used on Linux as a backdoor to maintain elevated privileges with the `CAP_SETUID` capability set. This also works when executed by another binary with the capability set. + description: If the binary has the Linux `CAP_SETUID` capablity set or it is executed by another binary with the capability set, it can be used as a backdoor to maintain privileged access by manipulating its own process UID. limited-suid: label: Limited SUID description: | - It runs with the SUID bit set and may be exploited to access the file system, escalate or maintain access with elevated privileges working as a SUID backdoor. If it is used to run commands it only works on systems like Debian (<= Stretch) that allow the default `sh` shell to run with SUID privileges. + If the binary has the SUID bit set, it may be exploited to access the file system, escalate or maintain access with elevated privileges working as a SUID backdoor. If it is used to run commands it only works on systems like Debian (<= Stretch) that allow the default `sh` shell to run with SUID privileges. This example creates a local SUID copy of the binary and runs it to maintain elevated privileges. To exploit an existing SUID binary skip the first command and run the program using its original path.