CVE-2016-6560: illumos Signed to Unsigned Conversion Error
CVSS: 8.6v3.0HighModified
Published 31-03-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-6560 is a high (CVSS 8.6) Signed to Unsigned Conversion Error vulnerability in illumos. EPSS estimates a 1.68% chance of exploitation in the next 30 days, higher than 76.6% of scored vulnerabilities.
CVSS score
8.6/10
010
High · v3.0 (NVD)EPSS score
1.68%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 31-03-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
illumos osnet-incorporation bcopy() and bzero() implementations make signed instead of unsigned comparisons allowing a system crash.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.6Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HSourcesSingle source
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
1.68%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.68% on 20-09-2026
20-09-202620-10-2026
EPSS score1.68%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-195Signed to Unsigned Conversion ErrorThe product uses a signed primitive and performs a cast to an unsigned primitive, which can produce an unexpected value if the value of the signed primitive can not be represented using an unsigned primitive.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Illumos2 products
- illumosna
- osnet-incorporationproir to osnet-incorporation@0.5.11,5.11-2016.0.1.15933
1 vendor · 2 products
References
3 links- github.com/illumos/illumos-gate/commit/5aaab1a49679c26dbcb6fb6dc25799950d70cc71X Refsource CONFIRMPatchThird Party Advisory
- www.openindiana.org/2016/11/01/cve-2016-6560-cve-2016-6561-security-issues-in-illumos/X Refsource CONFIRMThird Party Advisory