High severity · published Mar 19, 2019
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
7.8
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PD
Pdfalto · Pdfalto Project
0.2 · source: NVD
XP
Xpdf · Xpdfreader
4.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-9878
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-9878
Third Party Advisory
https://github.com/kermitt2/pdfalto/issues/46
Exploit
https://research.loginsoft.com/bugs/invalid-memory-access-in-gfxindexedcolorspacemapcolortobase-pdfalto-0-2/
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