Out-of-bounds Read in Libarchive
CVE-2017-14503
libarchive 3.3.2 suffers from an out-of-bounds read within lha_read_data_none() in archive_read_support_format_lha.c when extracting a specially crafted lha archive, related to lha_crc16.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Libarchive — versions 3.3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.debian.org/875960 (Mailing List, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2018/11/msg00037.html (mailing-list)
- www.debian.org/security/2018/dsa-4360 (vendor-advisory)
- usn.ubuntu.com/3736-1/ (vendor-advisory)
- github.com/libarchive/libarchive/issues/948 (Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2298 (vendor-advisory)
- security.gentoo.org/glsa/201908-11 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3698 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-14503?
- CVE-2017-14503 is a medium-severity vulnerability in Libarchive, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2017-09-17.
- How severe is CVE-2017-14503?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-14503 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.