The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a heap-based buffer over-read.
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.
| Link | Tags |
|---|---|
| https://github.com/curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13 | patch vendor advisory |
| https://access.redhat.com/errata/RHSA-2018:3558 | vendor advisory |
| https://security.gentoo.org/glsa/201709-14 | vendor advisory |
| http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html |