libcurl's ASN1 parser code has the GTime2str()
function, used for parsing an ASN.1 Generalized Time field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the time fraction, leading to a strlen()
getting performed on a pointer to a heap buffer area that is not (purposely) null terminated. This flaw most likely leads to a crash, but can also lead to heap contents getting returned to the application when CURLINFO_CERTINFO is used.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "curl-udeb": "7.35.0-1ubuntu2.20+esm18", "libcurl3": "7.35.0-1ubuntu2.20+esm18", "libcurl4-gnutls-dev": "7.35.0-1ubuntu2.20+esm18", "libcurl3-dbgsym": "7.35.0-1ubuntu2.20+esm18", "libcurl3-nss": "7.35.0-1ubuntu2.20+esm18", "libcurl4-doc": "7.35.0-1ubuntu2.20+esm18", "libcurl3-udeb-dbgsym": "7.35.0-1ubuntu2.20+esm18", "libcurl3-gnutls-dbgsym": "7.35.0-1ubuntu2.20+esm18", "libcurl4-openssl-dev": "7.35.0-1ubuntu2.20+esm18", "libcurl4-openssl-dev-dbgsym": "7.35.0-1ubuntu2.20+esm18", "curl-dbgsym": "7.35.0-1ubuntu2.20+esm18", "curl": "7.35.0-1ubuntu2.20+esm18", "libcurl3-udeb": "7.35.0-1ubuntu2.20+esm18", "curl-udeb-dbgsym": "7.35.0-1ubuntu2.20+esm18", "libcurl4-nss-dev-dbgsym": "7.35.0-1ubuntu2.20+esm18", "libcurl3-gnutls": "7.35.0-1ubuntu2.20+esm18", "libcurl4-gnutls-dev-dbgsym": "7.35.0-1ubuntu2.20+esm18", "libcurl3-nss-dbgsym": "7.35.0-1ubuntu2.20+esm18", "libcurl3-dbg": "7.35.0-1ubuntu2.20+esm18", "libcurl4-nss-dev": "7.35.0-1ubuntu2.20+esm18" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "libcurl3": "7.47.0-1ubuntu2.19+esm13", "libcurl4-gnutls-dev": "7.47.0-1ubuntu2.19+esm13", "libcurl3-dbgsym": "7.47.0-1ubuntu2.19+esm13", "libcurl3-nss": "7.47.0-1ubuntu2.19+esm13", "libcurl4-doc": "7.47.0-1ubuntu2.19+esm13", "libcurl3-gnutls-dbgsym": "7.47.0-1ubuntu2.19+esm13", "libcurl4-openssl-dev": "7.47.0-1ubuntu2.19+esm13", "libcurl4-openssl-dev-dbgsym": "7.47.0-1ubuntu2.19+esm13", "curl-dbgsym": "7.47.0-1ubuntu2.19+esm13", "curl": "7.47.0-1ubuntu2.19+esm13", "libcurl4-nss-dev-dbgsym": "7.47.0-1ubuntu2.19+esm13", "libcurl3-gnutls": "7.47.0-1ubuntu2.19+esm13", "libcurl4-gnutls-dev-dbgsym": "7.47.0-1ubuntu2.19+esm13", "libcurl3-nss-dbgsym": "7.47.0-1ubuntu2.19+esm13", "libcurl3-dbg": "7.47.0-1ubuntu2.19+esm13", "libcurl4-nss-dev": "7.47.0-1ubuntu2.19+esm13" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "curl-dbgsym": "7.58.0-2ubuntu3.24+esm5", "curl": "7.58.0-2ubuntu3.24+esm5", "libcurl4": "7.58.0-2ubuntu3.24+esm5", "libcurl4-gnutls-dev": "7.58.0-2ubuntu3.24+esm5", "libcurl4-dbgsym": "7.58.0-2ubuntu3.24+esm5", "libcurl3-nss": "7.58.0-2ubuntu3.24+esm5", "libcurl4-doc": "7.58.0-2ubuntu3.24+esm5", "libcurl3-nss-dbgsym": "7.58.0-2ubuntu3.24+esm5", "libcurl3-gnutls": "7.58.0-2ubuntu3.24+esm5", "libcurl3-gnutls-dbgsym": "7.58.0-2ubuntu3.24+esm5", "libcurl4-openssl-dev": "7.58.0-2ubuntu3.24+esm5", "libcurl4-nss-dev": "7.58.0-2ubuntu3.24+esm5" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "curl-dbgsym": "7.68.0-1ubuntu2.23", "curl": "7.68.0-1ubuntu2.23", "libcurl4": "7.68.0-1ubuntu2.23", "libcurl4-gnutls-dev": "7.68.0-1ubuntu2.23", "libcurl4-dbgsym": "7.68.0-1ubuntu2.23", "libcurl3-nss": "7.68.0-1ubuntu2.23", "libcurl4-doc": "7.68.0-1ubuntu2.23", "libcurl3-nss-dbgsym": "7.68.0-1ubuntu2.23", "libcurl3-gnutls": "7.68.0-1ubuntu2.23", "libcurl3-gnutls-dbgsym": "7.68.0-1ubuntu2.23", "libcurl4-openssl-dev": "7.68.0-1ubuntu2.23", "libcurl4-nss-dev": "7.68.0-1ubuntu2.23" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "curl-dbgsym": "7.81.0-1ubuntu1.17", "curl": "7.81.0-1ubuntu1.17", "libcurl4": "7.81.0-1ubuntu1.17", "libcurl4-gnutls-dev": "7.81.0-1ubuntu1.17", "libcurl4-dbgsym": "7.81.0-1ubuntu1.17", "libcurl3-nss": "7.81.0-1ubuntu1.17", "libcurl4-doc": "7.81.0-1ubuntu1.17", "libcurl3-nss-dbgsym": "7.81.0-1ubuntu1.17", "libcurl3-gnutls": "7.81.0-1ubuntu1.17", "libcurl3-gnutls-dbgsym": "7.81.0-1ubuntu1.17", "libcurl4-openssl-dev": "7.81.0-1ubuntu1.17", "libcurl4-nss-dev": "7.81.0-1ubuntu1.17" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "curl-dbgsym": "8.5.0-2ubuntu10.2", "curl": "8.5.0-2ubuntu10.2", "libcurl3t64-gnutls-dbgsym": "8.5.0-2ubuntu10.2", "libcurl4-gnutls-dev": "8.5.0-2ubuntu10.2", "libcurl4-doc": "8.5.0-2ubuntu10.2", "libcurl4t64": "8.5.0-2ubuntu10.2", "libcurl4-openssl-dev": "8.5.0-2ubuntu10.2", "libcurl4t64-dbgsym": "8.5.0-2ubuntu10.2", "libcurl3t64-gnutls": "8.5.0-2ubuntu10.2" } ] }