Vulnerability · Published May 15, 2020 · Assigned by mitre
CVE-2020-11521
Medium 6.6
In plain English
A medium-severity security flaw in the freerdp package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.6Medium
Exploit odds (30 days)2.0%top 19.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | freerdp | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Alpine:v3.21 | freerdp | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Alpine:v3.22 | freerdp | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Alpine:v3.23 | freerdp | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Alpine:v3.24 | freerdp | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Alpine:v3.22 | freerdp2 | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Alpine:v3.23 | freerdp2 | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Alpine:v3.24 | freerdp2 | 2.0.0-r0 | ALPINE-CVE-2020-11521 |
| Debian:12 | freerdp2 | 2.1.1+dfsg1-1 | DEBIAN-CVE-2020-11521 |
Affected products (as reported)
References
- https://github.com/FreeRDP/FreeRDP/commits/master x_refsource_MISC
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5cwc-6wc9-255w x_refsource_CONFIRM
- https://pub.freerdp.com/cve/CVE-2020-11521/pocAnalysis_6.pdf x_refsource_CONFIRM
- USN-4379-1 vendor-advisory, x_refsource_UBUNTU
- USN-4382-1 vendor-advisory, x_refsource_UBUNTU
- openSUSE-SU-2020:1090 vendor-advisory, x_refsource_SUSE
- [debian-lts-announce] 20200829 [SECURITY] [DLA 2356-1] freerdp security update mailing-list, x_refsource_MLIST