CVE-2020-14315

Public Exploit

Description

A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.47%
Third-Party Advisory redhat.com Third-Party Advisory openwall.com Third-Party Advisory x41-dsec.de
Affected: n/a bsdiff
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2020/07/09/2 third party advisory mailing list
https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ third party advisory exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1856747 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-14315?
CVE-2020-14315 has been scored as a critical severity vulnerability.
How to fix CVE-2020-14315?
To fix CVE-2020-14315, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-14315 being actively exploited in the wild?
It is possible that CVE-2020-14315 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-14315?
CVE-2020-14315 affects n/a bsdiff.
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