Google Android Linux Kernel nla_get_u32 memory corruption

Summaryinfo

A vulnerability identified as critical has been detected in Google Android. This vulnerability affects the function nla_get_u32 of the component Linux Kernel. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2017-15837. Remote exploitation of the attack is possible. No exploit is available. 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 the function nla_get_u32 of the component Linux Kernel. 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 Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, a policy for the packet pattern attribute NL80211_PKTPAT_OFFSET is not defined which can lead to a buffer over-read in nla_get_u32().

The bug was discovered 02/05/2018. The weakness was published 04/03/2018 (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2017-15837 since 10/24/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/21/2020). 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 57 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-110308, VDB-115655, VDB-115629 and VDB-115630. 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/

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Entryinfo

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