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
EPSS: 0.007 (73.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Golang Go — versions 1.5, 1.5.1, 1.5.2
- Opensuse Leap — versions 42.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- FEDORA-2016-5a073cbd93 (x_refsource_FEDORA, vendor-advisory)
- [oss-security] 20160113 [security] Go security release v1.5.3 (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_CONFIRM)
- [golang-announce] 20160113 [security] Go 1.5.3 is released (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- openSUSE-SU-2016:1331 (vendor-advisory, x_refsource_SUSE)
- [oss-security] 20151222 Re: CVE request for math/big.Exp (mailing-list, x_refsource_MLIST)
- [oss-security] 20151221 CVE request for math/big.Exp (mailing-list, x_refsource_MLIST)
- FEDORA-2016-2dcc094217 (x_refsource_FEDORA, 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.