Vulnerability · Published Mar 9, 2021 · Assigned by redhat
CVE-2020-35524
High 7.8
In plain English
A high-severity out-of-bounds write in libtiff. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.9%top 20.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | libtiff | 4.0.9-20.el8 | ALSA-2021:4241 |
| AlmaLinux:8 | libtiff-devel | 4.0.9-20.el8 | ALSA-2021:4241 |
| AlmaLinux:8 | libtiff-tools | 4.0.9-20.el8 | ALSA-2021:4241 |
| Alpine:v3.20 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35524 |
| Alpine:v3.21 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35524 |
| Alpine:v3.22 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35524 |
| Alpine:v3.23 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35524 |
| Alpine:v3.24 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35524 |
| Debian:12 | tiff | 4.1.0+git201212-1 | DEBIAN-CVE-2020-35524 |
| Debian:13 | tiff | 4.1.0+git201212-1 | DEBIAN-CVE-2020-35524 |
| Debian:14 | tiff | 4.1.0+git201212-1 | DEBIAN-CVE-2020-35524 |
| Rocky Linux:8 | libtiff | 0:4.0.9-20.el8 | RLSA-2021:4241 |
Affected products (as reported)
Weakness: CWE-787
References
- https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22 x_refsource_MISC
- https://gitlab.com/libtiff/libtiff/-/merge_requests/159 x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1932044 x_refsource_MISC
- DSA-4869 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2021-1bf4f2f13a vendor-advisory, x_refsource_FEDORA
- GLSA-202104-06 vendor-advisory, x_refsource_GENTOO
- [debian-lts-announce] 20210627 [SECURITY] [DLA 2694-1] tiff security update mailing-list, x_refsource_MLIST
- https://security.netapp.com/advisory/ntap-20210521-0009/ x_refsource_CONFIRM