Vulnerability · Published Aug 19, 2021 · Assigned by mitre
CVE-2020-18898
Medium 6.5
In plain English
A medium-severity security flaw in the compat-exiv2-026 package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.4%top 26.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | compat-exiv2-026 | 0.26-7.el8 | ALSA-2022:1797 |
| AlmaLinux:8 | exiv2 | 0.27.5-2.el8 | ALSA-2022:1842 |
| AlmaLinux:8 | exiv2-devel | 0.27.5-2.el8 | ALSA-2022:1842 |
| AlmaLinux:8 | exiv2-doc | 0.27.5-2.el8 | ALSA-2022:1842 |
| AlmaLinux:8 | exiv2-libs | 0.27.5-2.el8 | ALSA-2022:1842 |
| Debian:12 | exiv2 | no fix listed | DEBIAN-CVE-2020-18898 |
| Debian:13 | exiv2 | no fix listed | DEBIAN-CVE-2020-18898 |
| Debian:14 | exiv2 | no fix listed | DEBIAN-CVE-2020-18898 |
| Rocky Linux:8 | compat-exiv2-026 | 0:0.26-7.el8 | RLSA-2022:1797 |
| Rocky Linux:8 | exiv2 | 0:0.27.5-2.el8 | RLSA-2022:1842 |
Affected products (as reported)
References
- https://github.com/Exiv2/exiv2/issues/741 x_refsource_MISC
- https://cwe.mitre.org/data/definitions/674.html x_refsource_MISC