Vulnerability · Published Mar 15, 2021 · Assigned by GitLab
CVE-2021-22191
Medium 6.3
In plain English
A medium-severity security flaw in Wireshark from The Wireshark Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)3.7%top 10.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via via packet injection or crafted capture file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | wireshark | 3.4.4-r0 | ALPINE-CVE-2021-22191 |
| Alpine:v3.21 | wireshark | 3.4.4-r0 | ALPINE-CVE-2021-22191 |
| Alpine:v3.22 | wireshark | 3.4.4-r0 | ALPINE-CVE-2021-22191 |
| Alpine:v3.23 | wireshark | 3.4.4-r0 | ALPINE-CVE-2021-22191 |
| Alpine:v3.24 | wireshark | 3.4.4-r0 | ALPINE-CVE-2021-22191 |
| Debian:12 | wireshark | 3.4.4-1 | DEBIAN-CVE-2021-22191 |
| Debian:13 | wireshark | 3.4.4-1 | DEBIAN-CVE-2021-22191 |
| Debian:14 | wireshark | 3.4.4-1 | DEBIAN-CVE-2021-22191 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| The Wireshark Foundation | Wireshark | >=3.4.0, <3.4.4>=3.2.0, <3.2.12 |
References
- https://www.wireshark.org/security/wnpa-sec-2021-03.html x_refsource_MISC
- https://gitlab.com/wireshark/wireshark/-/issues/17232 x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json x_refsource_CONFIRM
- https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
- GLSA-202107-21 vendor-advisory, x_refsource_GENTOO
- [debian-lts-announce] 20220331 [SECURITY] [DLA 2967-1] wireshark security update mailing-list, x_refsource_MLIST