Debian Security Advisory
DSA-4157-1 openssl -- security update
- Date Reported:
- 29 Mar 2018
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2017-3738, CVE-2018-0739.
- More information:
Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. The Common Vulnerabilities and Exposures project identifies the following issues:
David Benjamin of Google reported an overflow bug in the AVX2 Montgomery multiplication procedure used in exponentiation with 1024-bit moduli.
It was discovered that constructed ASN.1 types with a recursive definition could exceed the stack, potentially leading to a denial of service.
Details can be found in the upstream advisory: https://www.openssl.org/news/secadv/20180327.txt
For the oldstable distribution (jessie), these problems have been fixed in version 1.0.1t-1+deb8u8. The oldstable distribution is not affected by CVE-2017-3738.
For the stable distribution (stretch), these problems have been fixed in version 1.1.0f-3+deb9u2.
We recommend that you upgrade your openssl packages.
For the detailed security status of openssl please refer to its security tracker page at: https://security-tracker.debian.org/tracker/openssl