CVE-2023-0803
CVE-2023-0803 Vulnerability Analysis & Exploit Intelligence
LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3516, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.
Published Updated Sources: cvelistV5, GitLab
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
0%
chance of exploitation in 30 days
CVSS base
6.8
MEDIUM
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
PoC
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 6.8 | CVSS 3.1 | MEDIUM | — | — | cvelistV5 |
Weakness & attack patterns
- CWE-787
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Search application, proxy, and WAF logs for requests touching /tiffcrop.c:3516.
References
7 on the record
- gitlab.com/libtiff/libtiff/-/commit/33aee1275d9d1384791d2206776eb8152d397f00
reference
- gitlab.com/libtiff/libtiff/-/issues/501
reference
- gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0803.json
reference
- lists.debian.org/debian-lts-announce/2023/02/msg00026.html
mailing-list
- www.debian.org/security/2023/dsa-5361
vendor-advisory
- security.netapp.com/advisory/ntap-20230316-0002/
reference
- security.gentoo.org/glsa/202305-31
vendor-advisory
Elsewhere on this site
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.