Vulnerability · Published Jul 26, 2021 · Assigned by mitre
CVE-2021-31292
High 7.5
In plain English
A high-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 2.6% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.6%top 14.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | compat-exiv2-026 | 0.26-6.el8 | ALSA-2021:4319 |
| AlmaLinux:8 | exiv2 | 0.27.4-5.el8 | ALSA-2021:4173 |
| AlmaLinux:8 | exiv2-devel | 0.27.4-5.el8 | ALSA-2021:4173 |
| AlmaLinux:8 | exiv2-doc | 0.27.4-5.el8 | ALSA-2021:4173 |
| AlmaLinux:8 | exiv2-libs | 0.27.4-5.el8 | ALSA-2021:4173 |
| Debian:12 | exiv2 | 0.27.3-3.1 | DEBIAN-CVE-2021-31292 |
| Debian:13 | exiv2 | 0.27.3-3.1 | DEBIAN-CVE-2021-31292 |
| Debian:14 | exiv2 | 0.27.3-3.1 | DEBIAN-CVE-2021-31292 |
| PyPI | exiv2 | no fix listed | PYSEC-2021-877 |
| Rocky Linux:8 | compat-exiv2-026 | 0:0.26-6.el8 | RLSA-2021:4319 |
| Rocky Linux:8 | exiv2 | 0:0.27.4-5.el8 | RLSA-2021:4173 |
Affected products (as reported)
References
- https://github.com/Exiv2/exiv2/issues/1530
- DSA-4958 vendor-advisory
- FEDORA-2021-399f869889 vendor-advisory
- FEDORA-2021-cbaef8e2d5 vendor-advisory
- [debian-lts-announce] 20210830 [SECURITY] [DLA 2750-1] exiv2 security update mailing-list
- GLSA-202312-06 vendor-advisory