Vulnerability · Published Jun 18, 2021 · Assigned by mitre
CVE-2020-18442
Low 3.3
In plain English
A low-severity security flaw in the zziplib package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)3.3Low
Exploit odds (30 days)0.7%top 45.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Infinite Loop in zziplib v0.13.69 allows remote attackers to cause a denial of service via the return value "zzip_file_read" in the function "unzzip_cat_file".
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | zziplib | 0.13.68-9.el8 | ALSA-2021:4316 |
| AlmaLinux:8 | zziplib-devel | 0.13.68-9.el8 | ALSA-2021:4316 |
| AlmaLinux:8 | zziplib-utils | 0.13.68-9.el8 | ALSA-2021:4316 |
| Debian:12 | zziplib | 0.13.72+dfsg.1-1 | DEBIAN-CVE-2020-18442 |
| Debian:13 | zziplib | 0.13.72+dfsg.1-1 | DEBIAN-CVE-2020-18442 |
| Debian:14 | zziplib | 0.13.72+dfsg.1-1 | DEBIAN-CVE-2020-18442 |
| Rocky Linux:8 | zziplib | 0:0.13.68-9.el8 | RLSA-2021:4316 |
Affected products (as reported)
References
- https://github.com/gdraheim/zziplib/issues/68 x_refsource_MISC
- [debian-lts-announce] 20211228 [SECURITY] [DLA 2859-1] zziplib security update mailing-list, x_refsource_MLIST
- FEDORA-2022-8109b472a3 vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-737e44718a vendor-advisory, x_refsource_FEDORA