CVE-2015-8607: canonical ubuntu_linux Improper Input Validation
CVSS: 7.5v2.0HighModified
AliasesMGASA-2016-0027UBUNTU-CVE-2015-8607DEBIAN-CVE-2015-8607DSA-3441-1
Published 13-01-2016Last modified 06-08-2024
Vulnerability summary
CVE-2015-8607 is a high (CVSS 7.5) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 3.12% chance of exploitation in the next 30 days, higher than 87.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v2.0 (NVD)EPSS score
3.12%
0%100%
Low · -0.76 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-01-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The canonpath function in the File::Spec module in PathTools before 3.62, as used in Perl, does not properly preserve the taint attribute of data, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.3HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated7.3HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.12%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
-0.76 pp
From 3.88% on 21-09-2026
21-09-202621-10-2026
EPSS score3.12%
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
- perl< 5.22.1-4 | < 5.20.2-3+deb8u2
- debian_linuxEOL8.0
Mageia2 products
- perl< 5.20.1-8.1.mga5
- perl-PathTools< 3.470.0-7.1.mga5
Ubuntu2 products
- libfile-spec-perl< 3.4000-1ubuntu2
- perl< 5.18.2-2ubuntu1
Canonical1 product
- ubuntu_linuxEOL15.04 | 15.10
Perl1 product
- pathtools≤ 3.61
5 vendors · 8 products
References
21 links- lists.fedoraproject.org/pipermail/package-announce/2016-January/176228.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2016-January/175494.htmlVendor AdvisoryX Refsource FEDORA
- www.oracle.com/security-alerts/cpujul2020.htmlX Refsource MISC
- cpansearch.perl.org/src/RJBS/PathTools-3.62/ChangesX Refsource CONFIRM
Show all 21 references
- www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlX Refsource CONFIRM