Google Android WMA Roam Synchronization memory corruption

Summaryinfo

A vulnerability identified as critical has been detected in Google Android. This affects an unknown part of the component WMA Roam Synchronization Handler. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2018-11863. The attack needs to be approached locally. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (affected version not known). This affects some unknown functionality of the component WMA Roam Synchronization Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, lack of check of input received from firmware to calculate the length of WMA roam synch buffer can lead to buffer overwrite during memcpy.

The bug was discovered 09/04/2018. The weakness was presented 09/18/2018 (Website). It is possible to read the advisory at source.codeaurora.org. This vulnerability is uniquely identified as CVE-2018-11863 since 06/07/2018. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/17/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

See VDB-124205, VDB-124204, VDB-124202 and VDB-124201 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion