Out-of-bounds Read in Pdfalto Project
CVE-2019-9878
There is an invalid memory access in the function GfxIndexedColorSpace::mapColorToBase() located in GfxState.cc in Xpdf 4.0.0, as used in pdfalto 0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftops binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Pdfalto Project — versions 0.2
- Xpdfreader Xpdf — versions 4.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kermitt2/pdfalto/issues/46 (Third Party Advisory)
- research.loginsoft.com/bugs/invalid-memory-access-in-gfxindexedcolorspacemapcol… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9878?
- CVE-2019-9878 is a high-severity vulnerability in Pdfalto Project, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2019-03-21.
- How severe is CVE-2019-9878?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-9878 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.