Sd 845 Firmware
CVE-2018-11879
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
When the buffer length passed is very large, bounds check could be bypassed leading to potential buffer overwrite in Snapdragon Mobile in version SD 845
AnalysisAI
When the buffer length passed is very large, bounds check could be bypassed leading to potential buffer overwrite in Snapdragon Mobile in version SD 845. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. When the buffer length passed is very large, bounds check could be bypassed leading to potential buffer overwrite in Snapdragon Mobile in version SD 845 Affected products include: Qualcomm Sd 845 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.
More in Sd 845 Firmware
View allMemory corruption while accessing the memory as payload size is not validated before access in Snapdragon Auto, Snapdrag
Possible Integer overflow because of subtracting two integers without checking if the result would overflow or not in Sn
Out of boundary access due to token received from ADSP and is used without validation as an index into the array in Snap
When ADSP is compromised, the audio port index that`s returned from ADSP might be out of the valid range and leads to ou
Lack of check to ensure crypto engine data passed by user is initialized can result in bus error in Snapdragon Auto, Sna
Out of bound write issue is observed while giving information about properties that have been set so far for playing vid
Improper validation of read and write index of tx and rx fifo`s before calculating pointer can lead to out-of-bound acce
Improper validation of array index causes OOB write and then leads to memory corruption in MMCP in Snapdragon Auto, Snap
Kernel can do a memory read from arbitrary address passed by user during execution of a syscall in Snapdragon Auto, Snap
Buffer over-read may occur when downloading a corrupted firmware file that has chunk length in header which doesn`t matc
Dereference on uninitialized buffer can happen when parsing FLV clip with corrupted codec specific data in Snapdragon Au
Null-pointer dereference can occur while accessing the super index entry when it is not been allocated in Snapdragon Aut
Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Integer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today