Buffer overflow in Libraw
CVE-2020-35530
In LibRaw, there is an out-of-bounds write vulnerability within the "new_node()" function (libraw\src\x3f\x3f_utils_patched.cpp) that can be triggered via a crafted X3F file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Libraw — versions 0.20.0, 0.20.1, 0.20.2
- Debian Linux — versions 10.0
- Libraw — versions LibRaw 0.21-Beta1, LibRaw 0.20.2, LibRaw 0.20.1, LibRaw 0.20.0, LibRaw 0.20-RC2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/LibRaw/LibRaw/issues/272 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/LibRaw/LibRaw/commit/11c4db253ef2c9bb44247b578f5caa57c66a1eeb (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00024.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35530?
- CVE-2020-35530 is a medium-severity vulnerability in Libraw, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-09-01.
- How severe is CVE-2020-35530?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-35530 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.