Samsung Mobile Devices M(6.0)/N(7.x)/O(8.x) eCryptFS integer overflow

Summaryinfo

A vulnerability was found in Samsung Mobile Devices M(6.0)/N(7.x)/O(8.x). It has been classified as critical. The impacted element is an unknown function of the component eCryptFS. The manipulation leads to integer overflow. This vulnerability is referenced as CVE-2018-21054. Remote exploitation of the attack is possible. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Samsung Mobile Devices M(6.0)/N(7.x)/O(8.x) (Smartphone Operating System). This issue affects an unknown code block of the component eCryptFS. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x) and O(8.x) except exynos9610/9820 in all Platforms, M(6.0) except MSM8909 SC77xx/9830 exynos3470/5420, N(7.0) except MSM8939, N(7.1) except MSM8996 SDM6xx/M6737T software. There is an integer underflow with a resultant buffer overflow in eCryptFS. The Samsung ID is SVE-2017-11857 (September 2018).

The weakness was published 04/08/2020 (Website). The advisory is shared at security.samsungmobile.com. The identification of this vulnerability is CVE-2018-21054 since 04/07/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-111342, VDB-111380, VDB-115287 and VDB-115285. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Samsung

Name

• Mobile Devices

Version

• M(6.0)
• N(7.x)
• O(8.x)

License

• commercial

Website

• Vendor: https://www.samsung.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion