Information disclosure in Golang Go
CVE-2015-8618
The Int.Exp Montgomery code in the math/big library in Go 1.5.x before 1.5.3 mishandles carry propagation and produces incorrect output, which makes it easier for attackers to obtain private RSA keys via unspecified vectors.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.026 (85.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Golang Go — versions 1.5, 1.5.1, 1.5.2
- openSUSE Leap — versions 42.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/pipermail/package-announce/2016-January/175642.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/01/13/7 (mailing-list)
- go-review.googlesource.com/
- groups.google.com/forum/ (mailing-list)
- github.com/golang/go/issues/13515 (Patch)
- lists.opensuse.org/opensuse-updates/2016-05/msg00077.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2015/12/22/9 (mailing-list)
- www.openwall.com/lists/oss-security/2015/12/21/6 (mailing-list)
- lists.fedoraproject.org/pipermail/package-announce/2016-January/176179.html (vendor-advisory)
Frequently asked questions
- What is CVE-2015-8618?
- CVE-2015-8618 is a high-severity vulnerability in Golang Go, classified under Information Disclosure. CVSS score: 7.5/10. Published 2016-01-27.
- How severe is CVE-2015-8618?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-8618 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.