Bug 5780 - [Anolis OS 8] Bugfix for CVE-2021-3595
Summary: [Anolis OS 8] Bugfix for CVE-2021-3595
Status: NEW
Alias: None
Product: Anolis OS 8
Classification: Anolis OS
Component: BaseOS Packages (show other bugs) BaseOS Packages
Version: 8.6
Hardware: All Linux
: P4-Low S4-trivial
Target Milestone: ---
Assignee: Jacob
QA Contact: shuming
URL:
Whiteboard:
Keywords: CVE
Depends on:
Blocks:
 
Reported: 2023-07-07 17:28 UTC by 小龙
Modified: 2023-07-07 17:28 UTC (History)
0 users

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description 小龙 admin 2023-07-07 17:28:39 UTC 
Description:
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and could occur while processing a udp packet that is smaller than the size of the 'tftp_t' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.

Broken commit info:

Bugfix commit info:
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/93e645e7
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/3f179481
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/990163cf3ac86b7875559f49602c4d76f46f6f30%20(v4.6.0)
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/93e645e72a056ec0b2c16e0299fc5c6b94e4ca17%20(v4.6.0)
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/3f17948137155f025f7809fdc38576d5d2451c3d%20(v4.6.0)
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/990163cf