PT-2018-6003 · Mozilla+2 · Firefox Os+2

Published 2018-03-16 · Updated 2018-04-04 · CVE-2017-15834

Positive Technologies (AI Summary)

CVSS v2.0

4.4

Medium

Base vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions: Android for MSM (affected versions not specified) Firefox OS for MSM (affected versions not specified) QRD Android (affected versions not specified)

Description: A race condition exists in the diag dbgfs read dcistats() function when accessing diag dbgfs dci data index, potentially leading to a heap overflow. This issue affects Android releases from CAF using the Linux kernel.

Recommendations: For Android for MSM, consider restricting access to the diag dbgfs read dcistats() function until a patch is available. For Firefox OS for MSM, avoid using the diag dbgfs dci data index variable in the affected function until the issue is resolved. For QRD Android, as a temporary workaround, consider disabling the diag dbgfs read dcistats() function until a fix is provided. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Buffer Overflow

Weakness Enumeration

CWE-362

CWE-119

Related Identifiers

CVE-2017-15834

Affected Products

Android

Firefox Os

Qrd Android

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2017-15834 · Security Note
• https://source.android.com/security/bulletin/pixel/2018-03-01 · Vendor Advisory
• https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=2e1b54e38f1516e70d9f6581c4f1ee935effb903 · Patch