| CVE |
Vendors |
Products |
Updated |
CVSS v3.1 |
| In the Linux kernel, the following vulnerability has been resolved:
bpf: Guard stack limits against 32bit overflow
This patch promotes the arithmetic around checking stack bounds to be
done in the 64-bit domain, instead of the current 32bit. The arithmetic
implies adding together a 64-bit register with a int offset. The
register was checked to be below 1<<29 when it was variable, but not
when it was fixed. The offset either comes from an instruction (in which
case it is 16 bit), from another register (in which case the caller
checked it to be below 1<<29 [1]), or from the size of an argument to a
kfunc (in which case it can be a u32 [2]). Between the register being
inconsistently checked to be below 1<<29, and the offset being up to an
u32, it appears that we were open to overflowing the `int`s which were
currently used for arithmetic.
[1] https://github.com/torvalds/linux/blob/815fb87b753055df2d9e50f6cd80eb10235fe3e9/kernel/bpf/verifier.c#L7494-L7498
[2] https://github.com/torvalds/linux/blob/815fb87b753055df2d9e50f6cd80eb10235fe3e9/kernel/bpf/verifier.c#L11904 |
| Affected versions of MISP’s interactive CLI shell implement access control independently from the normal web application, causing several authorization inconsistencies.
The patch shows that CLI access could differ from the web application in multiple security-sensitive areas:
- feed listings did not enforce the same lookup_visible restrictions for non-host-organisation users;
- feed detail access did not enforce the same host-organisation/site-admin authorization as FeedsController::view();
- Feed.headers, which can contain HTTP authorization credentials, could be exposed instead of being hidden or masked;
- server synchronization authkey values were not explicitly hidden from CLI detail output;
- sharing-group detail access did not consistently use SharingGroup::checkIfAuthorised();
- the use command could establish context for a record without first proving that the user was authorized to view that record
The commit additionally hardens pagination and terminal rendering, including neutralization of terminal control sequences found in database-backed values. Those are important hardening changes, but the main vulnerability is the CLI authorization/data-disclosure mismatch.
Version affected: ≤2.5.45 |
| A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely. |
| Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. |
| Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. |
| Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information over a network. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
