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tusc=>oracle "losing setuid/setgid privileges when tracing"
https://community.hpe.com/t5/General/tusc-gt-oracle-quot-losing-setuid-setgid-privileges-when-tracing/td-p/4976594
We are trying to troubleshoot a problem an application has connecting to Oracle (9.2.x) on an Integrity server (11.23). Vendor suggested we use truss (tusc) and start the process. Unfortunately, the oracle binary is setuid/setgid and this app runs as another user. tusc very specifically says "NOTE: ...
When setuid root no longer means setuid root (Forced Privileges)
https://blogs.oracle.com/solaris/post/when-setuid-root-no-longer-means-setuid-root-forced-privileges
When the kernel is processing an exec(2) it now treats setuid to root differently (setuid to any other uid or setgid is as in Solaris 10). The kernel now looks for an entry in the Forced Privilege RBAC profile in exec_attr(4) to determine …
setuid - man pages section 2: System Calls - Oracle
https://docs.oracle.com/cd/E86824_01/html/E54765/setuid-2.html
For setuid() and seteuid(), the {PRIV_PROC_SETID} privilege is not asserted in the effective set of the calling process and the uid argument does not match either the real or saved user IDs, or an attempt is made to change to UID 0 and none of the existing UIDs is 0, in which case additional privileges are required. For setgid() and setegid(), the {PRIV_PROC_SETID} privilege is not …
Special File Permissions (setuid, setgid and Sticky Bit ... - Oracle
https://docs.oracle.com/cd/E19455-01/805-7229/secfiles-69/index.html
When setgid permission is applied to a directory, files created in this directory belong to the group to which the directory belongs, not the group to which the creating process belongs. Any user who has write and execute permissions in the directory can create a file there--however, the file belongs to the group owning the directory, not to the user's group ownership.
Special File Permissions (setuid, setgid and Sticky Bit ... - Oracle
https://docs.oracle.com/cd/E19683-01/817-0365/secfile-69/index.html
You should monitor your system for any unauthorized use of the setuid and setgid permissions to gain superuser privileges. To search for and list all of the files that use these permissions, see How to Find Files With setuid Permissions. A suspicious listing grants group ownership of such a program to a user rather than to root or bin. Sticky Bit
setgid Permission (System Administration Guide: Security …
https://docs.oracle.com/cd/E19683-01/806-4078/secfiles-65/index.html
You should monitor your system for any unauthorized use of the setuid and setgid permissions to gain superuser privileges. To search for and list all of the files that use these permissions, see How to Find Files With setuid Permissions. A suspicious listing grants group ownership of such a program to a user rather than to root or bin.
setuid, setgid and sticky bit - dba-oracle.com
http://www.dba-oracle.com/t_linux_setuid_setgid_skicky_bit.htm
The sticky bit is indicated in ls - l output by a t in the last position of the permissions field. The setuid and setgid permissions allow controlling the user ID or group ID; a command is run regardless of who executes it. One example of this is the ping command. Since this command needs to interface with the network controller in a way only ...
c - losing capabilities after setuid() - Stack Overflow
https://stackoverflow.com/questions/12141420/losing-capabilities-after-setuid
12. This answer is not useful. Show activity on this post. By default, capability sets are lost across an UID transition; use. prctl (PR_SET_KEEPCAPS, 1, 0, 0, 0); to retain permitted capabilities ( cap_set_flag (caps, CAP_PERMITTED, ...) ). Note that the effective capability set will be reset, but can be re-established.
SetUID, SetGID, and Sticky Bits in Linux File Permissions
https://www.geeksforgeeks.org/setuid-setgid-and-sticky-bits-in-linux-file-permissions/
To remove the setgid bit, use the following command. chmod g-s Security Risks. The setuid bit is indeed quite useful in various applications, however, the executable programs supporting this feature should be carefully designed so as to not compromise on any security risks that follow, such as buffer overruns and path injection. If a vulnerable program runs with …
Using setuid and setgid - Oracle® Solaris Studio 12.4: …
https://docs.oracle.com/cd/E37069_01/html/E37079/afacq.html
Using setuid and setgid. Restrictions enforced by the dynamic loader make it difficult to use setuid(2) and collect performance data.If your program calls setuid or executes a setuid file, the Collector probably cannot write an experiment file because it lacks the necessary permissions for the new user ID. The collect command operates by inserting a shared library, libcollector.so, …
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