CVE-2016-6252: shadow_project shadow Integer Overflow or Wraparound
CVSS: 7.8v3.0HighModified
AliasesSUSE-SU-2018:1995-1SUSE-SU-2018:1997-1SUSE-SU-2018:1997-2UBUNTU-CVE-2016-6252DEBIAN-CVE-2016-6252
Published 17-02-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-6252 is a high (CVSS 7.8) Integer Overflow or Wraparound vulnerability in shadow_project shadow. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.6% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.0 (NVD)EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 17-02-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Integer overflow in shadow 4.2.1 allows local users to gain privileges via crafted input to newuidmap.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
0.00 pp
From 0.41% on 18-09-2026
18-09-202618-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse11 products
- shadow&distro=SUSE Enterprise Storage 4< 4.2.1-27.9.1
- shadow&distro=SUSE Linux Enterprise Desktop 12 SP3< 4.2.1-27.9.1
- shadow&distro=SUSE Linux Enterprise Server 12 SP1-LTSS< 4.1.5.1-19.8.1
- shadow&distro=SUSE Linux Enterprise Server 12 SP2-BCL< 4.2.1-27.9.1
- shadow&distro=SUSE Linux Enterprise Server 12 SP2-LTSS< 4.2.1-27.9.1
Debian1 product
- shadow< 1:4.4-1
Shadow_project1 product
- shadow4.2.1
Ubuntu1 product
- shadow< 1:4.1.5.1-1ubuntu9.4 | < 1:4.2-3.1ubuntu5.2
4 vendors · 14 products
References
18 links- www.openwall.com/lists/oss-security/2016/07/25/7Mailing ListX Refsource MLISTPatchThird Party Advisory
