CVE-2017-6949 An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanit...
HighCVSS 8.1
EPSS 1.5%
- Published
- Updated
- Exploit status
- No public exploit known
Description
An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/chicken(Debian:12) | < 4.12.0-0.2 | 4.12.0-0.2 |
| debian/chicken(Debian:13) | < 4.12.0-0.2 | 4.12.0-0.2 |
| debian/chicken(Debian:14) | < 4.12.0-0.2 | 4.12.0-0.2 |
| call-cc chicken | = 4.12.0 | No fix listed |
| alpine/chicken(Alpine:v3.10) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.11) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.12) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.13) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.14) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.15) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.16) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.17) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.18) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.19) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.20) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.21) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.22) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.23) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.24) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.6) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.7) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.8) | < 4.12.0-r3 | 4.12.0-r3 |
| alpine/chicken(Alpine:v3.9) | < 4.12.0-r3 | 4.12.0-r3 |
References
- Debian Security Tracker CVE-2017-6949 vendor-advisory
- lists.gnu.org mailing-list patch third-party-advisory
- 97317 vdb-entry
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking