CVE-2018-1000085: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2018-1000085 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 1.61% chance of exploitation in the next 30 days, higher than 75.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 8 · Related 6Timeline
- 13-03-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains.. This attack appear to be exploitable via The victim must scan a crafted XAR file. This vulnerability appears to have been fixed in after commit d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.61%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.61% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- clamav< 0.99.3~beta1+dfsg-1
- debian_linuxEOL7.0
Alpine1 product
- clamav< 0.99.4-r0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 17.10
Clamav1 product
- clamavEOL0.99.3
Ubuntu1 product
- clamav< 0.99.4+addedllvm-0ubuntu0.14.04.1 | < 0.99.4+addedllvm-0ubuntu0.16.04.1
5 vendors · 6 products
References
12 links- github.com/Cisco-Talos/clamav-devel/commit/d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6X Refsource MISCPatch
- www.openwall.com/lists/oss-security/2017/09/29/4Mailing ListX Refsource MLISTIssue TrackingPatchThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2018/03/msg00011.htmlMailing ListX Refsource MLISTThird Party Advisory