What is CVE-2017-17723?

CVE-2017-17723 is a high-severity vulnerability in Exiv2, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2018-02-12.

How severe is CVE-2017-17723?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2017-17723 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Exiv2

CVE-2017-17723

In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

Affected products

Exiv2 — versions 0.26
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2017-17723?: CVE-2017-17723 is a high-severity vulnerability in Exiv2, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2018-02-12.
How severe is CVE-2017-17723?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-17723 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.