CVE-2017-12762
Advisory lineage Upstream: 0 Downstream: 24
Modified
Published: 09 Aug 2017, 21:00
Last modified:05 Aug 2024, 18:51
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
10 HIGH
v2.0 (nvd)
EPSS Score
1.44% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
09 Aug 2017, 21:00
Published
Vulnerability first disclosed
05 Aug 2024, 18:51
Last Modified
Vulnerability information updated
Description
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
CVSS Metrics
- v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 10AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 1.44%• Percentile: 81%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04
- linux•linux_kernel
≥ 3.18, < 3.18.64 | ≥ 3.19, ≤ 4.4.80 | ≥ 4.5, ≤ 4.9.41 | ≥ 4.10, ≤ 4.12.5
References (7)
- https://usn.ubuntu.com/3620-2/
- https://patchwork.kernel.org/patch/9880041/
- http://www.securityfocus.com/bid/100251
- https://usn.ubuntu.com/3620-1/
- http://www.openwall.com/lists/oss-security/2020/02/11/1
- http://www.openwall.com/lists/oss-security/2020/02/11/2
- http://www.openwall.com/lists/oss-security/2020/02/14/4